A roller coaster reaches a speed of 112.7 kilometers per hour. What is the estimated speed in miles per hour?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50

Proving the congruent supplements theorem