Which of the following is an equation? 8x or 8x=2 or 8x-5 or 8÷x?

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units

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.