If f(x) = 12 – 2 and g(x) = x + 3, find all values of x, to the nearest tenth, for which f(x) = g(x).

Which math sentence can be used to determine if the triangle is a right triangle?

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

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.