In a certain country, 800 pennies have the value of 100 ducates and 100 pennies have the value of 250 tolars. How many ducates have the same value of 100 tolars? (work out and explain)

Each homeroom must send two student representatives to each student council meeting. Mrs. Lincoln has 15 girls and 10 boys in her homeroom.

Which equation describes the function shown on the graph? A. y = 3 2 x - 5 B. y = - 5x + 3 2 C. y = 2 3 x + 5 D. y = - 2 3 x - 5

Y=x-7 is linear or non-linear

A concrete stepping stone measures 20 square inches. what is the area of 30 such stones?

factor this problem 2st-4s+9t-18 ²

Spreadsheet software can be used to determine the amount of simple interest owed on a 30 day note. what mathematical operations would be used?

How many ounces of cinnamon is needed to bake cookies with 7 and 1/2 cups of flour if 1/3 ounce is cinnamon is needed for each 1 and 1/2 cups of flour?

The area of a parking lot at an amusement park is 1310 square meters. A car requires 5 square meters and a bus requires 32 square meters of space. There can be at most 135 vehicles parked at one time. If the cost to park a car is $5.

Janet drives from clarkson to humbolt in 2 hours. suppose janet drives for 10 hours. if she maintains the same driving rate can she drive more that 600 miles?

What is the answer fo this equation 5x + 8 for x = 9