At 9:00 AM, the temperature started dropping 2°C per hour until it reached - 13°C at 1:00 PM. What was the temperature at 9:00 AM?

Which two linear equations represent perpendicular lines? select two choices?

The city of Calgary charges 1.25% interest per month on overdue amounts. If Laura's overdue bill is $12.63 for 3 months, how much is the overdue amount?

Draw rectangle model. find the the tens product, the oned product, and the total product.

The sandwich shop offers combo meals with a choice of one sandwich, one side, and one drink. On total there are 560 combos available. If there are 16 sandwiches and 5 drinks available, how many sides are there?

Tymere says that 710 * 710 equals 4910. Which of the statements below is true? A - Ty-mere is incorrect because the answer should be 1410, not 4910. B - Ty-mere is incorrect because 4910 is greater than 710. A - Ty-mere is correct.

Dr. Barber ordered 121 syringes and 53 needles. In total, how many items did Dr. Barber ordered

Jaime wants to know how fast she can type, so she times herself as she types a paper. The paper has 442 words in it, and Jaime types it in 13 minutes. What is her typing rate, in words per minute?

How can one fourthx - 3 = one halfx + 8 be set up as a system of equations?

Chris invests $2,200 into three accounts that pay 6%, 8% and 9% in annual interest. He has three times as much invested at 9% as he does at 6%. If his total interest for the year is $178, how much is invested at each rate?

If AC = 12 and BC = 13, find AB.