What method most efficient to use to solve x^2+6x-7=0

Milan has 4 times as many baseball cards as Richard. Together they have 125 baseball cards. How many cards does Milan have? How many cards does Richard have?

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.

Sam's father bought a cat for $26,304. He expects to pay for it in 24 equal monthly payments. How much will Sam's father have to pay each month?

Kevin goes fishing every Saturday. The table below shows the number of fish he caught each week for the last six weeks. Fish Caught Week Number of Fish 1 4 2 0 3 2 4 8 5 4 6 6 What is the mean absolute deviation of the data above? A. 8 B. 2 C. 4 D.

Haley has 10 times as many pages to read for her homework assignment as Janet. Altogether, they have to read 264 pages. How many pages did each girl have to read

A population of 1,000 cheetahs decreases by 13% per year. How many cheetahs will there be in the population after 4 years? Round your answer to the nearest whole number.

One example of ratios

What is the complete factorization of the polynomial below? X^3-2x^2+x-2

There are 80 red balloons and 20 green balloons each package of balloons. What is the unit rate in red balloons per green balloon? A. 4 B. 20 C. 40 D. 80

If a and b are two rational numbers, which expressions are equivalent to a-b? Mark all that apply. A. a-|-b|, if b>0. B. a+|-b|, if b>0. C. a + (-b), if b>0. D. a-|-b|, if b<0. E. a+|-b|, if b<0. F. a + (-b), if b<0