1. what is the solution to the system?

7x+5y=19

-7x-2y=-16

2. which method would be most efficient to solve the system?

y=1/2x

2x+3y=28

A runner runs around a track consisting of two parallel lines 96 m long connected at the ends by two semicircles with a radius of 49 m. She completes one lap in 100 seconds. What is her average velocity?

1. Find the LCM of each group of the following (a) 12

Which equation represents the line whose slope is 1/2 and whose y-intercept is 5

Find the x - and y-intercept of the line. 5x - 4y = 40

I Am A Number That Is Double The Product Of 2 And 7. One Of My Factors Is 7 What Is My Other factor

Each ticket for a concert cost $14. The total amount of ticket sales for the concert was $8,792. How many tickets were sold? Group of answer choices

Check all solutions to the equation. x² = -4

A plant for a tea company has bagging machines capable of bagging 2000 bags of tea per minute. If the plant runs 21 hours a day, how many tea bags are produced in one day?

Rolling doubles When rolling two fair, 6-sided dice, the probability of rolling doubles is 1/6. Suppose Elias rolls the dice 4 times. Let W = the number of times he rolls doubles. The probability distribution of W is shown here.

Which measure is equivalent to 18,000 s? 1 min = 60 s 1 h = 60 min A. 0.5 h B. 3 h C. 5 h D. 30 h