18-2g=4g can somebody tell me the answer? because i got -9 as the answer but im not for sure if it's right or not.

5/6+7/8what is the answer sealsdbdbshd

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

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.