Substituition method

5x-3y+1=16

2x+5y=-6

Mina spent 4 hours visiting her friend. they spent 2/3 of their time together riding bikes. How many hours did mina and her friend spend riding bikes?

Kelly orders T-shirts and sweaters from a clothing company. she buys them at the prices and quantities that are shown in the table. How much more does one sweater cost than one T-shirt? Kelly's Clothing Shop Orders Items Quantity Price T-shirts 100.

List all possible dimensions of a rectangle with an area of 24 square feet

Solve with using elimination 3 х + 5y = 54 6 х + 4y = 72

A 2 gallon bucket of paint costs $76.48. What is the price per cup?

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.