A train moved at a speed of 90 mph for two hours then slowed down to 72 mph for the next 30 minutes.

A.) Find the total number of miles the train traveled.

B.) Calculate the average speed of the train.

What is the sale tax of a sweater for 36$ and a 7% sales tax

Write 0.000000657 * 10^15

Y=X^2-6 test for symmetry

G (x) = x2 + 3, what is the change made to g (x) if the parent function is f (x) = x2? Yeah totally stumped here.

A surveyor wants to know how many shoppers at a mall like to read books. He surveys 100 people coming out of a bookstore at the mall. Why is the sample biased? A. There are not enough people in the sample. B.

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