What is 6.9 - (-5) + 4.1

My sides are all the same length. My area is 9 square meters. What is the length of one of my sides?

Your neighbors needs to put a fence around her front yard and a separate fence around her back yard her front yard is 65 feet long and 45 feet wide her back yard is 35 feet long by 45 feet wide how much fencing should she buy the fence is not

4. Find the value of x in the equation 9 - 4x = 57. A. 16.5 B. - 16.5 C. - 12 D. 12

Morgan says that the domain of the relation { (2,3), (-4, 2), (0,-4), (1,5) } is {-4, 2, 3, 5}. She is incorrect. Find her mistake and correct it. State what her mistake was and what the correct domain is for the relation.

What are the roots of g (x) = x^2-48

the combined enrollment in the three grades at Jefferson Middle School is 977. there are 356 students in the 7th grade 365 in the 8th grade write and solve an equation to find how many students are in the ninth grade find an equation and a solution

The sum of three numbers is 185 The second number is 5 times the first. The third number is 13 less than the second. What is the second number?

Based on the generalization in (a) , find the sum of the sequence 9+27+45+6 ... + 117

After n years, the amount of money in William's saving account can be modeled by the function s (n) = 300 (1.0016) 12n, and the amount of money hiding in his desk drawer can be modeled by the function d (n) = 75.

Find the supplement of a 55° angle, in degrees.