A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What's the efficiency of the machine? A. 92 percent B. 97 percent C. 96 percent D. 94 percent

12 imperial inches equals how many meters

A sector with an area of 11/2*pi cm^2 has radius of 3 cm. What is the central angle measure of a sector in degrees? 190 200 210 220

Consider the function ƒ (x) = 3x2 + 6x + 5. Write the function in the form of ƒ (x) = a (x - h) 2 + k, where a, h and k are constants.

Find the dervite of y=X^2 + x + 1

How u write 3.7 as mixed number

Which inequality correctly orders - 28,12,-19 and 2?

Six times the sum of a number and 3 equals 2

Sports stores sell skateboards for $112. last month the store sold 45 skateboards how much money did the store make from selling them?

Select steps that could be used to solve the equation 1 + 3x = - x + 4. add x, subtract 1, divide by 4 add x, subtract 4, divide by 4 subtract 3x, subtract 4, divide by 4 subtract 3x, subtract 4, divide by - 4 subtract 1, add x, divide by 4

Given: 60,807; 60,087; 60,708 and 60,078, the correct arrangement of these numbers from the least to the greatest value is?