7.
Which expression is not equal to 3a + 4a?
a. 7a
b. (3+4)a
c. a(3+4)
d. 3+ 4a

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

What’s the answer ? use the picture to see the problem

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)