Which values or value are the expressions 15k + 9 and 3 (2k + 3) + 9k equivalent to?

3/unknow : 5=1/10 what in the unknown?

What are the prime factorization of 525

would a verticle line be a relation, a function, both a relation and a function, or neither a relation nor function

Emma needs 84 centimeters of ribbons. She measures and cuts a piece from a spool of ribbon. Later she finds out she has actually cut 80 centimeters of ribbon. What is her percent error? Write your answer to the nearest whole percent.

An ant looks up at an angle of elevation of to the top of a tree. If the ant is 40 feet from the base of the tree, what is the height of the tree, to the nearest tenth? a. 23.1 feet b. 25.2 feet c. 32.8 feet d. 34.6 feet

Which one is taller 5 7/24 or 5 5/16

Explain how you know that 492 x 10 exponent 5 is not in scientific notation.

A square tile has a side 4 cm long. use the appropriate formula model to find the area. what is the area of the square? include units with your answer.

Whats the direct variation 3x+4y=-5

1+1 in standered form