To estimate the sum of two or more fractions, replace the addends with

40 & 50 in the right corner are the complementary angles as when placed in a sum (added together) they make 90°

$22. if larry's profit were to minimize by one for every hour his store were to be closed, we would subtract 30 by 8.

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.