Ben thinks of a number. he adds half of the number to a quarter of the number. the result is 60. what was the number ben first thought of ?

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

(a.s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]