yesterday Jenny had c baseball cards. Today she gave 5 away. Using c, write an expression for number of cards Jenny has left.

Solve the inequality. write the inequality in interval notation. 9(t-2)> 3(t-7)

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Which points are solutions to the linear inequality y < 0.5x + 2? check all that apply. (–3, –2) (–2, 1) (–1, –2) (–1, 2) (1, –2) (1, 2)