What is the result of adding 2x+7y=4 and - 2x-8y=-2

There are 92 students in the third and fourth grades of these 47 are in fourth grade write an equation to find how many third graders there are use a question mark to represent the unknown number and solve

Which numbers are multiples of 20? 1, 10,4 2,4,10 5.10,20 20, 40, 80 Eliminate E 2.4.5

What is the slope of a line that is parallel to the line shown on the graph? -4 4

A combination lock uses 4 numbers, each of which can be to 29. If there are no restrictions on the numbers, how many possible combinations are available?

How do I solve 5 (3n-4)

F (x) = (x + 5) * (x - 9) (x + 1)

Valentina purchased 200 Beads for $48 to make necklaces. If she needs to buy for 24 more beads how much will she spend if charges same rate

Which decimal number is equal to 2/3? A. 0.6 B. 0.66 C. 0.6 D. 0.67

Derek is training for a half-marathon. His training plan sets his goal for this week at 18 miles with three short runs and one longer run. His three short runs total 9.35 miles. How long will his long run need to be to meet his goal?

Kayla bought 9/4 pounds of apples what is the weight as a mixed number