How do you know if there are any roots in an equation

Angellina enjoys swimming and often swims at a steady pace to burn calories. At this pace, angelinla can swim 1,700 meters in 40 minutes. What is angellina's unit rate? (how many meters per 1 minute?)

Find the area of the triangle. Round your answer to the nearest tenth. Triangle ABC Line AB = 15 yd, Line AC = 15 yd, ∠A = 48° a. 112.5 yd2 b. 167.2 yd2 c. 124.9 yd2 d. 83.6 yd2

Mary invests 12000 in a saving account. the account pays 1.5% compound interest per year work out the value of her investment after 2 years

1. If you were told that your credit score was 700, how would you judge that number?

How can you find 2*square root * 192?

What is x1/2 * x1/3 =

Adam drew two samw size rectangles and divide them into the same number of equal parts. He shaded 1/3 of one rectangle an 1/4 of the other rectangle. What is the west number of parts into which both rectángles could one divided

Two trains start heading toward each other from two cities, the distance between which is 720 km and meet right in the middle. The second train left 1 hour after the first train, but traveled at a speed 4 km/hour faster than the first train.

Divide X^2+77x+20 by x+9 what is the quotient and remainder?

Brass is made from a mixture of copper and other elements. A mixture that is 80% copper is combined with a mixture that is 60% copper, resulting in 100 pounds of brass that is 65% copper.