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Twenty, which is 4 more than half, of the students in Bryan's homeroom have tickets to attend the school's musical. Choose Yes or No to tell whether each of the following equations can be used to find the number of students in Bryan's homeroom.

X varies directly with Y and Z. x = 40 when y = 10 and Z = 20. find X when y = 30 and Z = 40.

Evon goes out to dinner with friends. The bill comes out to $34.50. Tax is 8.75% and she wants to leave a 20% tip. How much will she pay altogether?

A yogurt shop has vanilla, chocolate, strawberry, blueberry, and raspberry flavors served in small, medium, or large cups. How many different yogurt choices are possible?

What is the mean absolute deviation of the data set? {20, 10, 30, 20, 50, 30, 40,20} A. 8 B. 10 C. 12 D. 20

Complete the equivalent fractions: 3 / = 15/20 = / 100

Seven times a number minus the number is - 48. Find the number. a. the number is - 8 b. the number is 8 c. the number is 6

Prove that 25^11 - 5^19 is divisible by 31.

Round to the nearest hundred. 367 + 319

Are the graphs of the lines in the pair parallel? Explain. y = 4x - 4 24x - 4y = 96