Kevin is 3 times as old as Daniel. 4 years ago, Kevin was 5 times as old as Daniel.

How old is Daniel now?

Suppose 13-years and 17-year, anc cicadas both appear this year. When will both typed of cicadas next appear together?

In Tim's math class, there are 12 pencils and 15 markers. Which of the following is the ratio of markers to pencils in Tim's math class?

8x^3a^2+8x^2a^3 Find the greatest common factor

Equivalent ratio of 6 to 7

James used substitution to solve this system of equations. Which could be the result of his first step 2x+3y=12 y=x+1.5 A. y=2x+3y B. y=2x+3y+1.5 C. 2x+3x+1.5=12 D. 2x+3 (x+1.5) = 12

Mrs. Gehrke said Cheddar weighs 16.8 pounds. He actually weighs 15.2 pounds. What is the percent error?

What is the unit rate of 5 packs of gum for 1$?

What is 18 kg. x 153.56 kg.

What is the "simple interest" earned if you invest $545 in a savings account that earns 3.25% for two years? A) $34.97 B) $35.43 C) $354.35 D) $36.00

What is the word and expanded form of 3,210.445