Complete x^2+1/2x+___ = 2+___

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.