David was climbing a mountain trail. He climbed up 8 meters from the base of the mountain. Then he walked back down 1 meter. How many meters from the base of the mountain is David now?

One number is three more than two times another. If their sum is increased by four, the result is nineteen. Find the numbers.

How to solve |-5x|+4=-11

Write the fraction as a percent if necessary round to the nearest tenth of a percent 8/12

How do u make 30/20 as a decimal

Jeff takes 20 minutes to jog around the race course one time, and 25 minutes to jog around a second time. What is his average speed in miles per hour for the whole jog if the course is 3 miles long? A. 6 B. 8 C. 10 D. 12 E. 14

Describe the one basic move you need to change the equation 2x + 17 = 36 into each equation. a. 2x + 13 = 32 b. 2x - 12 = 7 c. 2x = 19 d. 6x + 51 = 108 e. x + 8.5 = 18 f. 5x + 17 = 3x + 36 h. x + 17 = 36 - x g. 2x - 19 = 0

identify the type of sample. A magazine asks its readers to call in their opinions regarding the quality of their articles A.) systematic B.) simple random C.) convenience D.) self selected

How do i solve this fraction word problem? There are 24 children in a kindergarten class. Three-quarters of them can already write the whole alphabet. How many children can write the alphabet?

How large in square meters is the land area of australia (2941526 mi 2) ?

Sylvia enlarged a photo to make a 24 x 32 inch poster using the dilation DQ, 4. What are the dimensions, in inches, of the original photo?