1+ s=3 what is the answer ? we have to make it the opposite can someone me to find the answer.

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition