Triangle sum theorem

Rewrite 7 - 9 as an equivalent addition expression: 7 + 9 -7 + 9 7 + (-9) -7 + (-9)

Kalisha made two dozen large buns. She ate 1/2 of a bun and gave her mother and father each one. How many buns does she have left?

The second side of a triangular deck is 3 feet longer than the shortest side, and the third side is 3 feet shorter than twice the length of the shortest side. If the perimeter of the deck is 80 feet, what are the lengths of the three sides?

Your test grades are 70. 85. 95. 93 and 94. You have one more test and want an average of an 80. What must you earn on your next test?

A quarter has a diameter of approximately 24 mm. What is it's approximate circumference? A. 75.36 mm B. 150.72 mm C. 7.64 mm D. 37.68 mm

Three numbers X, Y, and Z are in the ratio 2:7:8. If 12 is subtracted from Y, then three numbers form a geometric sequence (in the order X, Y-12, Z). Find X, Y, and Z.

arrange the following data in tabular from and then find the mode 50,40,50,70, 50 80,40,70,50,52,45,50,45,40,45.

A ratio in the simplest form is 7:9 if the antecedent is 105 find the consequent

What is 3/4 foot long x0.5

zoe had a gross income of 37,300 in 2009 when filing her federal income tax returne she took the standard deduction of 5,700 claimed only herself as an exemption for 3,650 and did not have ant other adjustments to income according to the following