What is 3/5 and 1/2 by using common denominator

The sum of twenty and a number is 14.

A number a minus 8.2 is no greater than 12.

A quadrilateral has two consecutive right angles. If the quadrilateral is not a rectangle, can it still be a parallelogram? Explain your reasoning.

How do you do multiplying

Solve, using linear combination. 3x + y = 4 2x + y = 4 A. (-1,7) B. (0,4) C. (-3,12) D. (-3,13)

Jenny has saved $3,800 over the last 12 months. She saved either $250 or $350 a month. During the 12 month period, how many times did Jenny save $250 for the month? A) 3 B) 4 C) 5

How do you solve 7-5z=17+5z

Ms. Bloom spent 1 5/12 hours in preparing for her class and spent 2 1/12 hours teaching the class. Later that day, she spent 1 11/12 hours cleaning her work desk at home. How much time did she spend on working this day.?

Paula dives into a swimming pool from a diving board 2 feet above the water's surface. She descends to a depth 7 feet below the diving board. How far is Paula from the surface of the water?

Dan runs 3 miles in 28 minutes. At the same rate, how many miles would he run in 42 minutes?