Simplify this expression: a + 2a + 3b - a - b

Pamela's age is two times Jiri's age. The sum of their ages is 69. What is Jiri's age?

How do you write 850% as a fraction in simplest form

Paul bought a student discount card for the bus. The card allows him to buy daily bus passes for $1.60. After one month, Paul bought 23 passes and spent a total of $42.80. How much did he spend on the student discount card?

Determine the slope of a line that is perpendicular to the line y = - 2x + 7 Select one: O A. Slope = - 1/2 O B. Slope = 2 O C. Slope = 1/2 O D. Slope = - 7

on the stock exchange, 100 shares of pizzazz corp. stock are selling $425. how many shares can be purchased for $1000?

The fastest a human has ever run is 27 miles per hour. How many miles per minutes did the human run?

Simplify using the horizontal method. (2n2 + 4n + 4) (4n - 5) a. 8n3 + 4n2 - 6n - 20 b. 8n3 + 26n2 - 36n - 20 c. 8n3 - 6n2 + 36n - 20 d. 8n3 + 6n2 - 4n - 20

A factory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. The factory will make 50 gallons of this purple paint.

Sierra has 3 days to drive 932 miles. She wants to have completed 75% of the drive by the start of day 3. What distance should she drive on each of the first two days?

36 is how many times greater than 6? 4 6 9 5