Alvin is

10

years younger than Elga. The sum of their ages is

38

. What is Elga's age?

A bag has 6 green marbles and 6 yellow marbles. Half of the yellow marbles are made of glass. A marble is selected at random from the bag. What is the probability that it is a yellow, glass marble?

X2 in the expansion of (x + 2) 3

Find ratio of the first number to the second number and simplify. 28 to 36

What is another name for the angle bisectors of the vertices of a square

Jim is working at a restaurant. His first table ordered 4 sodas and 4 baskets of fries for $16.00. His second table ordered 4 sodas and 3 baskets of fries for $13.75. What is the price of one soda? A. $1.75 B. $1.95 C. $2.00 D. $2.25

What is 0.5 times 10 as great as

Grace gives her sister a riddle: I have number x. I add 15 to twice x to get result A. I subtract 4 from x to get result B. I multiply result B by 3 to get result C. Result A is equal to result C.

On a softball diamond, the bases are 60 feet apart and meet to form right angles. A base runner is standing on first when the batter hits a long flight ball down the right-field line.

According to the National Sleep Foundation, teenagers need about 9 hours of sleep each night to function at their best. Unfortunately, many teens do not get nearly this amount.

2/3+3/4 in simplest form