How many gallons of 30% antifreeze should be mixed with 10 gallons of 93% antifreeze to obtain a 65% antifreeze mixture ?

What are the soultion(s) to the quadratic equation 40- x^2=0

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.