For each of the following integrals find an appropriate trigonometric substitution of the form x=f(t) to simplify the integral. 1. ∫√(7x^2 + 28x +24) dx

2. ∫ x/(√(-193-8x^2 + 80x)) dx

Select a graph that have an equation with a < 0

Im so bad at fractions they are not my best math thing to work on

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4? r^2. write your answer in scientific notation.