Twice a number plus four equals 6. what is the number?

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

Prove that quadrilateral is a rhombus.

Match each whole number with a rational, exponential expression 3 square root 27^2find the domain and range of the exponential function h(x)=125^x. explain your findings. as x decreases does h increase or decrease? explain. as x increases does h increase or decrease? explain.