The sum of a number and 20 is no more than the sum of the square of the number and 9. which of the following inequalities can be used to determine this unknown number? a. x + 20 ≤ x2 + 9 b. x + 20 < x2 + 92 c. x + 20 < (x + 9)2 d. x + 20 ≤ (x + 9)2

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90

The cost of a taxi ride includes an initial charge of $2.00. if a 5km ride cost $6.00 and a 10km ride cost $10.00, determine the cost of a 15km ride.