Evaluate the expression for a = - 1 and b = 5. 5a - 7

The mean temperature for the first 4 days in January was - 2°C. The mean temperature for the first 5 days in January was - 4°C. What was the temperature on the 5th day?

You drive 60 miles per hour. how long do you travel in 5 hours? distance = 60n

Factor Completely: x2 - 169

what is the estimate and answer for 9 - 3 7/8

25% of Freshman missed 2 days or less True or false

12y+d=-19y+t solve for y?

One out of 42 high school ball players plays college ball. One out of 25 college players plays professional ball. What fraction of high school players plays professional ball?

2. The numbers 1 through 50 are written with red marker on slips of paper while the numbers 51 through 100 are written with blue marker on slips of paper. All the papers are put into a bag and shuffled. One card is randomly selected.

12 out of 15 as a percent, a decimal and a fraction

Make sure it's fully reduced. 2 - x = 5/8