Select all equations that have the solution x = 7. a. 2(x + 7) = 28
b. 6(2x - 1) - 12 = -2(x + 10)
c. 60 = 4(x + 8)
d. 3(x - 5) = 1 + 5(x - 6)

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

Anyone know these questions? i need ,.