Find the gcf of 12 and 45
a. 45
b. 180
c. 12
d. 3

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

What sums are equal to 6/12? choose all answers that are correct a.6/12+6/12+6/12+6/12+6/12+6/12 b.2/12+1/12+1/12+2/12 c.5/12+1/12 d.1/12+1/12+1/12+3/12 plz : )

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*