Choose the letter of the best answer. The muscle that you use to lift a book are A. cardiac muscles. B. smooth muscles. C. involuntary muscles. D. skeletal muscles.

The surface area of a square pyramid is 85 square meters. The base length is 5 meters. What is the slant height?

The autonomic nervous system works to monitor the processes such as breathing, heart rate, and digestion. The __________ nervous system is a subsystem within the autonomic system that calms the body.

What part of the central nervous system stimulates autonomic nervous system reflexes and integrates thoughts and emotions to produce autonomic nervous system responses?

The population of River City in the year 1910 was 4200. Assume the population increased at a rate of 2.25% per year. Estimate the population in 1930 and 1945.

Solve each quadratic inequality by using a graph, a table, or algebraically.

$$-3x^2+10x<5$$

Solve. 5√x + 2 = 12

Find the angle between the diagonal of a cube and one of its edges.

For each pair of points, there are six points that could be the third vertex of an isosceles right triangle. Find the coordinates of each point.

An expression that describes the relationship between each input and output

A mass weighing 0.4 lb stretches a spring by 3 inches. Ignore damping. External vibrations create a force of $F(t)=2 \sin \omega t$ lb. Find the natural frequency, the value of $\omega$ that produces resonance and a value of $\omega$ that produces beats.

A typical flashlight battery will produce a $0.50-A$ current for about $3 \mathrm{h}$ before losing its charge. Determine the total number of electrons that have moved past a cross section of wire con necting the battery and lightbulb.

Solve the following initial value problem.

$$f^{\prime}(x)=\frac{2}{x^{2}}-\frac{x^{2}}{2}, f(1)=0$$

write the first five terms of the geometric sequence.a1 = 2, r = π