Find the sum of -8x^2+3−8x^2+3 and -9x^2+3x-3−9x^2 +3x−3.

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.