What is the measure of the highlighted angle? 72 + x and x - 130 = 180

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

To convert celsius temperatures to fahrenheit, you can use the expression (c + 32). tom says that another way to write this expression is c + 32. what error did tom make?