Simplify: −3xy2(2x2y3 + 7xy2 − 5x3y2) A) −6x3y4 + 21x2y4 + 15x3y4
B) −6x2y5 + 21x2y3 + 15x4y5
C) −6x3y5 − 21x2y4 + 15x4y4
D) −6x2y5 − 21x3y4 + 15x4y4

What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .