Which of the expressions are equivalent to the one below? theirs multiple answers 10 (3 + 4) a. 10 3 + 10 4 b. 10 (4 + 3) c. (10 3) + 4 d. (3 + 4) 10

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red