2x + 3y = 4 and - x + 4y = 7 Tell whether the ordered pair (-1,2) is a

solution to the linear system.

9. A couple just had twin boys, but they can't decide between the names Mike, Mark, Peter, Paul, Sam, and Sonny.

Decrease 763994 by two thousand?

Solve by any method of your choosing. 1. y = x - 1 2. 3x - y = 8 2x + y = 5 y - 3x = - 2

What is the square root of 99 simplified?

I work at a local coffee shop in the mornings. I am paid $10 per hour. Write a algebraic expression to determine the amount of money I will make for t hours of work.

an ecosystem which is 10 km squared contains a population of 1000 squirrels what is the population density of the squirrels in this ecosystem

Zeus industries bought a computer for $2149. it is expected to depreciate at a rate of 25% per year. what will the value of the computer be in 3 years?

What is it called when a pattern of shapes are repeated to fill a polygon without overlapping or leaving gaps

JJ withdraws $15 from his bank account every week for lunch. Suppose he does not make any additional deposits or withdrawals. What integer represents the change in value of JJ's bank account after 8 weeks? Write and evaluate an expression.

You flip 2 coins. what is the probability that one coin will land on heads and one coin will land on tails? createa sample space of outcomes.