The base of a triangle is 12 in and the area of the triangle is 54 sq. in. What is the height of the triangle?

Pj is decorating pupcakes for rocky's birthday party. her color scheme is black, purple, and green. she will use this spinner to determine the color of sprinkles on each pupcake. which model shows the probability of randomly landing on each color?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of