Mr. Wilson wrote the function f(x) = 7x - 15 on the chalkboard. What is the value of this function for f(6) A- 27 B- 37 C- 42 D- 57

Solve for x. −3/4(x+2)=6 enter your answer in the box

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?