Valeria tried to evaluate an expression. Here is her work: 8+12÷442 = 8+12÷416 Step 1 = 20÷416 Step 2 = 516 Step 3 = 80 Step 4

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.