Solve the equations 2x + 2x - 5 = 31

A line passes through (0, - 1.8) and has a slope of 7. Write an equation of the line. 1. y=7x-12.6 2. y=7x+12.6 3. y=7x-1.8 4. y=x+-1.8

MMelissa is making clothes for her dolls. She has 7/8 yard of fabric. Each doll shirt requires 2/7 of a yard of fabric. How many shirts can she make for her dolls?

Find the greatest common factor of 4c and 18c

Yinting wants to start adding weight lifting to her exercise routine. Her trainer suggests that she starts with 40 repetitions for the first week and then increases by six repetitions each week after.

Brandon has a budget of $58 to spend on clothes. The shirts he want to buy are on sale $9 each, and a pair of pants he wants cost $21. All prices includes tax.

A chemist is using 364 millimeters of a solution of acid and water. if 16.8% of the solution is acid, how many millimeters of acid are there?

Harriet plans to file using Single federal income tax return with her husband. Together, they made $145,000 last year. They also received $500 in interest from a CD they own together. They have no children.

Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 148 ft, and ball 2 is dropped from a height of 203 feet.

If 4+6+7=242854 6+6+7=364217 6+7+8=424828then 7+5+8=?

the numbers 30 to 74 are in a hat. If the probability of drawing a multiple of 2 is 23/45. What is the probability of not drawing a multiple of two?