The school cafeteria offered a choice of pizza or nachos to sixth-grade students. seventy-seven students chose pizza. this represented 35% of the sixth-grade class. how many students are in the sixth grade?

In factoring by grouping, what would you have for step 3 for the following? step 1: x^3 +5x^2 +4x+20 step 2: x^2 (x+5)+4(x+5) step 3: ?

How many grams must be adde to 970g to make 1 and a half kg

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]