How can you decide which variable to solve first when you are solving a linear system by substitution

What is the arc length when Θ = 4 pi over 7 and the radius is 5 cm? 20 pi over 7cm 4 pi over 7cm 2 pi over 7cm 24 pi over 7cm

Minnie deposited $3,000 into a 401k that grew to to $6,000 at her retirement. If Minnie is currently the 10% tax bracket and us retired, how much tax will she have to pay when she withdrawals the entire $6,000?

Multiply and simplify. (12 2/3) (3 1/4) A) 36 1/12 B) 36 1/6 C) 41 1/12 D) 41 1/6

Convert 165 centimeters to meters. Do not round your answer. 100 centimeters = 1 meter

Mr. James has a cylindrical beakers that measure 4 inches in diameter and are 9 inches high. What is the volume contained within the beakers? Use 3.14 for pi. Round your answer to the nearest hundredth. 56.52 cubic inches 100.34 cubic inches 113.

Henry needs to rent a tractor. Jim Bob's Equipment rentals rents tractors for a delivery fee of $230 plus an additional $14 per day. Jonny's Equipment Rentals rents tractors for a delivery fee of $95 plus an additional $23 per day.

Radius of a circle is 6.35m. What is the area

Solve for x and y 1.45 x + 1.55y = 20 and x + y = 29.80

If Practice Makes Perfect, And Nobody's Perfect. Why Practice?

Earning $12.00 an hour; working 80 hours in 2 weeks. What is your pay?