Simplify this expression 3x - y + 4x + 6 - 2y

1. If you drive 100 kilometers in 20 seconds, what is your average speed in kilometers per second?

What is the scientific notation of 673.5

Solve for X. X = m/n x + 2

Ambet has 2 quarters, 1 dime, and 3 pennies. How much money does amber have?

Find the exact radius of a circle with circumference 28pi meters.

Joseph removes 7/8 gallon of white paint from as can. Then he adds 7/8 gallon of blue paint to the can. What is the overall increase or decrease in the amount of paint

Robert plans to make a box-and-whisker plot of the following set of data. 27, 14, 46, 38, 32, 18, 21 Find the lower quartile, the median, and the upper quartile of the set? lower quartile: 19.5; median: 29.

A service club wants to buy tickets to a baseball game. Tickets are avalible for the grandstand and for the bleachers Grandstand's ticket is $25 Bleachers Ticket is $15 Which expression represents the total cost, in dollars, for g grandstand and b

Find the domain and the range of the relation. Determine whether the relation is a function. { (-1,0), (7,0), (-1,9), (-6,-9) }

George bought 30 packs of football cards. there were 14 cards in each pack. How many cards did George buy?