Miki bought some erasers at the school store for $0.39. After paying for the erasers, she had $0.13 left. Which amount is a
reasonable estimate of the money Miki had to start with?

Find the length of the following tangent segments to the circles centered at o and o' whose radii are 5 and 3 respectively and the distance between o and o' is 12. what is the tangent segment of cd?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11