Solve the equation if 0 degrees<=x<=360 degrees.
cosx= -1/2

Y=4x^2+x-1 solve using quadratic formula

What is the measure of ac? 5 units 13 units 26 units 39 units

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.