Select all the expressions that are equivalent to the polynomial below. (4x+-1) + 10x - 3) + (4x2 - 29x - 2) b. 3(x - 5) - 2(6x2 + 9x + 5) c. 2(x - 1) - 3(4x2 + 7x + 1) d.(2x2 - 11x - 9) - (14x2 + 8x - 4) e. (-15x2 + 9x - 10) + (3x2 - 10x - 5) f.(4x2 - 13x - 7) - (16x2 + 9x - 5)

Students buying lunch at rockwell elementary school yesterday chose either burritos or pizza. 185 students chose burritos and 252 chose pizza. 1. estimate the number of students who brought lunch by rounding each number to the nearest hundred. 2. estimate how many students bought lunch by rounding each number to the nearest ten. 3. find the total number of students who brought lunch. which of your estimates is closer to the actual total? explain. 4. draw a figure on a sheet of paper. estimate how many pennies will fit inside the figure. check your prediction using pennies.

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

It says factor each expression completely 8y+48