Heather earned $8.42 per hour during the first month of her new job. Then she got a raise and earned $9.08 per hour. What was the amount of her raise?

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

Evaluate cos2θ for cosθ = square root of 3/2

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%