Over 3 yr, lucia saved $550, $600, and $650 from baby-sitting jobs. the polynomial 550x3 + 600x2 + 650x represents her savings, with interest. after 3 yr. the annual interest rate equals x - 1. find the interest needed so that she will have $2000 after 3 yr.

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth