Solve the following system using substitution. Be sure to check your solution. Show every step.

-2x + 5y = 19

3x - 4 = y

What is the interquartile range of the data 53,62,67,71,83,94,102,105,

The population of a certain town is expected to increase by 9.5% next year. If p represents the current population, which expression represents the expected population next year

Find d: 0.16d^2 = 100

Suppose the function f (x) = 6x + 4 represents the number of cars that dive in x minutes. How many cars will drive in ten minutes? 60 100 46 64

If Nathan begins his journey after 9 a. m. he is allowed a discount of 30% on the cost of his rail ticket. He pays £22.75 for a ticket to London, leaving on the 9.15 a. m. a) Express the discounted price as a percentage of the full price.

Write the product using exponents. 3⋅3⋅3⋅y⋅y⋅y

If p + 9 = 25 and p = q, then q + 9 = 25.

If a bag contains 400 coins, and 33 1 over 2 are nickels, how many nickels are there what percent of the coins are not nickels

40023032 expanded form

Which of the following expressions has 3 terms? A 8x + y - z B xyz C y3 + 1