In ΔSTU, the measure of ∠U=90°, the measure of ∠S=84°, and ST = 87 feet. Find the length of TU to the nearest tenth of a foot.

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth