Sandi is 13 years old. Karla is 3 times Sandi's age. How old is Karla?

Simplify this imaginary number sqr - 45?

How do u write 10% as a fraction, mix number, or whole number in simplest form

At an average speed of 130 mph, how long would it take a race car to complete a 530 mile race?

4x-10 3x-22 3x+3 find x when its an equilateral triangle?

Expressions that show the quotient of a number n and 4

Find the quotient of ' (16t^2-4) / (8t+4) '

The Science Club has 35 members, 10 girls and 25 boys. What is the ratio of girls to boys in the Science Club? A. 2:1 B. 2:5 C. 5:2

The cost of petrol rises by 2 cents a liter. last week a man bought 20 liters at the old price. This week he bought 10 liters at the new price. Altogether, the petrol costs $9.20. What was the old price for 1 liter?

1. Which equation represents the linear graph? A) y = 2x - 4 B) y = 2x + 4 C) y = 4x - 2 D) y = 4x + 2

Mary has $500 in her account. She makes a $350 withdrawal, deposits $100, and then gets charged a $20 fee. How much does she have in her account? A) $180 B) $230 C) $290 D) $340