Trent told his friend it would take him 90 minutes to mow the lawn. It only took him 75 minutes. What is his percent error

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0