Name the property used to make the conclusion

1. if 4x=40, then x=10

2. if x=7 and y=x+5, then y=12

3. if 4x=28, then 28=4x

4. if x-24=25, then x=49

Mike wakes up at 7:00 a. m. and takes a walk for 1 and ½ hours. Then he spends 1 hour and 15 minutes getting ready for work. What time does Mike leave for work? A. 9:00 p. m. B. 9:00 a. m. C. 9:15 a. m. D. 9:30 a. m. E. 9:45 a. m.

7,080 divided by 12 And (590x5) divided by 2

The principal is $6000 and the rate of interest is 8% and the time is 3 years. What is the final amount in the account?

What is the solution to the equation? 15 = - x/5 A. 3 B. 75 C.-75 D. - 3

Solve the system by substitution 6x+2y=26 x=6y+21

Find a negative angle that is co-terminal with the angle 158.3

The formula s = square root of SA/6 gives the length of the side, s, of a cube with a surface area, SA. How much longer is the side of a cube with a surface area of 480 square meters than a cube with the surface area of 270 square meters?

A salesperson at a furniture store earns a 3% commission on all sales. How much commission does the salesperson earn on a $1400 sale?

Which example correctly identifies a planet that is a gas giant and a planet that is terrestrial? A. Saturn is a gas giant; Neptune is terrestrial. B. Jupiter is a gas giant; Venus is terrestrial. C. Mars is a gas giant; Earth is terrestrial. D.

Bill arranges 50 small cubes in a 5 by 10 array along a bookshelf. He claims that the volume of books that the shelf can hold is equal to 50 cubic units. Is his claim correct?