Alex has 175 baseball cards. rodney has 3 times as many baseball cards as alex. how many fewer cards does alex have than rodney?

Which expression is equivalent to 4 square root 6 divided by 3 root 2

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76