Solve For Each Variable

1. 6r + 7 = 13 + 7r

2. 13 - 14x = 1 - x

3. 2 (x + 7) + x = - 20

4. - 8 - x = x - 4x

Suppose you interview 10 randomly selected workers and ask how many miles they commute to work. you'll compute the sample mean commute distance.

If the base price of a concert ticket is 30$ and a handling subcharge of 15% is added to the price, what is the total cost of ticket?

Select two ratios that are equivalent to 2:9 A: 9:2 B: 18:81 C: 12:54 D: 18:4 E: 20:45

What is the definition of absolute value? a. distance from a certain number on a number line or a coordinate graph c. distance from the origin on a number line or a coordinate graph b. the opposite of a square root of a number d. none of the above

Question 1 Use Heron's Formula to find the area of A ABC if a = 9cm, b = 11cm, c = 16 cm. 47.6 sq cm 52.1 sq cm 89.5 sq. cm 15.2 sq cm

The system of equations x=y-1 y+4=x+6 has infinity more solutions no solutions one solution

Write the equation of the line with slope=2 y/intercept=-7

Karl is buying a truck for $8,000 with a down payment of $2,500. The bank approved a simple interest flat rate loan for 4 years at 9% APR. How much are the monthly loan payments? (round to the nearest cent) A) $127.50 B) $155.83 C) $170.00 D) $184.

The sum of two consecutive and even integers divided by 4 is 189. 5

Mike uses 120 pints of water to take a 5 minute shower. Dad uses 100 quarts for a 10 minute shower. Maria uses 24.8 gallons for an 8 minute shower. Who uses the most gallons of water per minute? Explain.