At a recent kcms dance, students were surveyed to find that there were 45 lower school students and 70 upper school students. what percentage of the students were from lower school?

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply