Suppose a scientist has 13 liters of acid and she needs 16 liters for an experiment. How many more liters of acid does she need for the experiment?

Which equation best describes this situation?

a. 16+x=13

b. 13+x=16

c. x=13

d. x=16

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

Write the factored form of this trinomial 9x^2+18x-7

Simplify the expression 8h - 57-3m by adding or subtracting the like term