Simplify 5x2(5x2− 3x − 1). (1 point) 25x4− 15x3− 5x2 25 − 15x − 5x2 10x4− 15x3− 5x2 25x2− 15x − 5

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Consider the function f(x)=-5x+3 what is f(-2)

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 .