The sum of the ages of Nicole and Rachel is 30. Currently Nicole is four years older than Rachel. How old is Rachel?

Oak grove and salem are 87 mi from each other. How far apart would the cities be on a map that has a scale of 5in: 29mi

30% of the cars sold by Car Dealer A were blue. 50% of the cars sold by Car Dealer B were blue. Which statement must be true? If both dealers sold the same number of cars, Car Dealer B sold 20 more blue cars.

Find the sum of the arithmetic sequence. 5, 7, 9, 11, ..., 23

Jenny's pencil case is 24 cm long, 11 cm wide, and 4 cm high. What is the longest length, in cm, of a pencil that can fit in Jenny's case? A. 21.7 B. 24.3 C. 26.4 D. 26.7

How many solutions does this problem have? 3 (y+41) = 3y+123

2. A chain 5 links long is joined to a chain 7 links long. How many links long is the resulting chain?

Evaluate f³+11g-4h when f=3, g=2, h=11

An=-31 + (n-1) - 11 find the eleventh term

Brian works in the lab and feels an empty cylindrical flask with 200 cubic centimeters of liquid. The flask has a radius of 3 cm and a height of 12 cm. What percent of the volume of the flask is not filled with liquid?

436% of what number is 31.61