What are associative on rational numbers

1/2 + 1 1/4 less than 2

A baseball player reaches first base 20% of the times he is at bat. Out of 40 times at bat, about how many times will the player reach first base?

Which number below best represents a credit of $17.16? A.-17.16 B. 17.16 C.-7.16 D. 7.16

Which word in the sentence is a direct object? The fabric store sells 3,000 yards of fabric each week. a. week b. store c. yards

Write an numerical expression for "6 times the sum of 4 and 5." A) 4 + 5 x 6 B) 6 x (4 - 5) C) 6 x (4 + 5) D) 6 x 4 + 5

Which expression is equivalent to 5x + 5x? 25x 10 + 2x 25x2 10x

286,489 Is an odd number. How many times greater Is the 8 In the ten thousands place than the 8 In the tens place?

A book sold 31,100 copies in its first month of release. Suppose this represents 7.8% of the number of copies sold to date. How many copies have been sold to date? Round your answer to the nearest whole number.

If x2 - 4 = 45, then x could be equal to

Tyra will flip red and yellow counter and spin a spinner labeled A-E. If Tyra flips the counter and spins the spinner, then list only the outcomes in which a red counter and a vowel are spun