For the equation, x - 7 = 24, can a value be substituted for x to make that a true number sentence? how many values could be substituted for x and have a true number sentence?

Evaluate cos2θ for cosθ = square root of 3/2

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.