55% of students voted for maya as class president. If 78 students voted for maya, how many students are there in the class?

There are 5 times as many yellow labs as terriers in the dog park. if there are a total of 18 dogs, how many dogs are terriers?

Which one of the following uses estimation to check 267-154=113? a. 300-200=100. b. 113+154=267. c. 300-150=150. d. 270-150=120

Tia made a two-layer cake. Each layer is a rectangular prism that is 4 inches high. The base of the bottom layer is 200 square inches. The base of the top layer is 54 square inches. What is the total volume?

96. A rectangular courtyard is to be fenced so that one of the sides is 4 feet longer than an adjacent side (s). Which of the following quadratic functions can be used to represent the area of the courtyard? A=s^2 A=4s^2 A=s^2+4 A = s^2+4s

Factor the expression over the complex numbers. X^2+50

At Kent Middle School, there are 104 students in the band and 80 students in the choir. What percent of the number of students in the choir is the number of students in the band

Solve the problem. Sergio's internet provider charges its customers $7 per month plus 3¢ per minute of on-line usage. Sergio received a bill from the provider covering a period and was charged a total of $28.70.

Two lines, parallel to the bases of a trapezoid divide each leg into three congruent parts and divide the trapezoid into three parts as well. Find the area of the middle part if the top and bottom parts have area S1 and S3.

Robin is making bows to sell at her mother's yard sale. She will use 3/4 foot of red ribbon and 2/3 foot of blue ribbon to make each bow. What is the ratio of the length of red ribbon to blue ribbon?

Explain why the polynomial 144x2 - 200x + 81 is not a perfect square. A. 81x ≠ 2 (20x ∙ 9) B. 144x ≠ 2 (20x ∙ 12) C. 200x ≠ 2 (9x ∙ 12) D200x ≠ 2 (12x ∙ 9)