Toni can carry up to 23 lb in her backpack. her lunch weighs 1 lb, her gym clothes weigh 2 lb, and her books ( b. weigh 4 lb each. how many books can she carry in her backpack? the inequality is . toni can carry up to books in her backpack.

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4