How do you find the LCM??

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

Giving 100 points asap bev has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. calculate the area of the polygon. be sure to show all your work and explain your answer.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry