X^2-5x=-4 line of symmetry

How to do the how long will it take two people to paint a room problem?

What is the answer to 4/3 + 9 1/2

Danny has boxes colored either red or blue. in each blue box there is a fixed number of blueberries. in each red box there is a fixed number of strawberries.

Angle BCD is a circumscribed angle of circle A What is the measure of minor arc BD?

The Richter scale is used to measure the magnitude of an earthquake. The magnitude, R, is given by the earthquake. Determine the amount of energy released be an earthquake of magnitude of 7.5.

A rental car cost $20 per day and a room cost $50 per day for how many days can a room and a car be rented so that the total cost does not exceed $350

Which pair of numbers have a GCF of 3? Choose ALL answers that are correct A. 15 and 20 B. 6 and 9 C. 18 and 15 D. 3 and 9

I need to know whether or not 15, 13, 11, 9, ... is an arithmetic sequence

0ne sixth of the dairy cattle on a farm are in the barn. One fourth of the beef cattle are in the barn. There are 12 dairy cattle and 16 beef Cattle in the barn. How many more dairy cattle are on the farm than beef cattle

14. The mode of the data set is 21. What number is missing? 21, 17, _, 25, 23, 13 19. The mean of the data set is 18. What number is missing? 21, 11, _, 27, 22, 13, 16 20. The median of the data set is 81.