What is ⅖ + ⅔ Rewritten Equation with Common Denominator?

Is the orthocenter of a triangle on the inside ?

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36