in a recent survey 30% of 7th grade students said their favorite class was science. 250 seventh grade students participated in the survey. how many of the students said science was their favorite class?

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)