The price of an item has dropped to $81 today. Yesterday it was $180. Find the percentage decrease.

How many different 7 place license plates are possible when 3 of the entries are letters and 4 are digits?

Choose the correct simplification of the expression 4 times b all over a to the power of negative 10. a to the 10th power times b all over 4 4a10b 4 over a to the 10th power times b Already simplified

3. Janae saves dimes and quarters in a jar on her dresser. Janae has 35 coins in the jar for a total of $6.50. She has 5 more quarters than dimes. How many quarters are in the jar?

Simplified fraction to fraction with denominator of 100

Which of the following best describes the solution to the equation below? Note: Only consider the positive solution. It is a repeating decimal. It is greater than zero but less than one. It is a rational number. It is an irrational number.

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

A function g (x) has x-intercepts at (1/2,0) and (6,0). Which could be g (x) ? g (x) = 2 (x + 1) (x + 6) g (x) = (x-6) (2x - 1) g (x) = 2 (x - 2) (x-6) g (x) = (x + 6) (x + 2)

Roger is training for a half-marathon. The course is 13.1 miles long. Let p represent Roger's average pace in minutes per mile. Write and solve an inequality to show the average pace needed to finish the half marathon in less than 2 hours.