PLS HELP ASAP (no links)
15% of n is 60

A. 4
B. 9
C. 400
D. 25
E. 30

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?