3x + 3y +z=10, 5x + 2y +2z=7, 3x - 2y + 3z=-9

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "