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

-2x + 5y = 19

3x - 4 = y

g Indicate whether the sequence is increasing, decreasing, non-increasing, or non-decreasing. The sequence may have more than one of those properties The nth term is 1/n.

How was math different in ancient Mesopotamia than it is today

Round to the nearest ten and hundred 762

Find the domain and range of the exponential function h (x) = 125x. Explain your findings. As x decreases, does h increase or decrease? Explain. As x increases, does h increase or decrease? Explain.

Input the expression x + 9/2

A company that manufactures radios first pays a start-up cost, and then spends a certain amount of money to manufacture each radio. If the cost of manufacturing r radios is given by the function c (r) = 5.25r + 125, then the value 5.

Which expressions have a value of StartFraction 16 Over 81 EndFraction? Check all that apply. (Two-thirds) Superscript 4 (StartFraction 16 Over 3 EndFraction) Superscript 4 (StartFraction 4 Over 81 EndFraction) squared (StartFraction 4 Over 9

Explain how to use the combine place value strategy to find 223 - 119.

What is the solution to the equation |4x-2| greater than or equal to - 6?

Use synthetic division to check - 4 is a root of the polynomial expression: x^4+2x^3-9x^2-2x+8=f (x)