(50pts)Solve for x:

a

7.125
b

6
c

8
d

4.125

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?