2 (x-y) the same as 2x-2y

4 (x+y) the same as 4y+4x

The average person's stride length, the distance covered by one step, is approximately 2.5 feet long. How many steps would the average person take to travel 50 feet?

8090 divided by 62 with remainder

Michael is an engineer and is drawing a scale model of a centrifuge for an oil company. If the centrifuge is 24 meters tall and he's using a scale of 1 centimeter=6 meters, then how many centimeters tall should the centrifuge be in the drawing?

What is the measure of angle K? (5x+10) (6x-1)

Which of the following represents the general equation for the geometric sequence? - 1, - 2, - 4, ... an = 1 · 2n - 1 an = - 2n - 1 an = 2n - 1 an = 1 · 2n + 1

6.48 is 18% of what number

Your family took a road trip on Saturday You were in the car for 4.5 hours and average 70 mph. How many miles did you travel?

Sam has 6 blue marbles he gave tom 5 of the marbles how many blue marbles does he now have

5 hundreds 6 ten thousand 2 ones

What is a line of symmetry