The area of a triangle varies jointly with the height of the triangle and the length of its base. The area of one triangle is 200 square centimeters when it’s height is 25 centimeters and it’s base length is 16 centimeters. What is the area of a triangle having a height of 20 centimeters and a base length of 15 centimeters

Answer this question only if you know the answer! 30 points and

What is the solution of log2  (3x  -  7)  =  3? 4 5

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer