The second of two numbers is is 3 less than twice the first. Their sum is 42. Find the numbers.

If 3 < x < 100, for how many values of x is x 3 the square of a prime number?

Write the geometric sequence that has four geometric means between 1 and 7,776.

How long would it take to travel 20 meters at the rate of 5 meters per second? 8 seconds 9 seconds 12 seconds 4 seconds

At the beginning of a population study, a city had 370,000 people. Each year since, the population has grown by 8.2%. Let t be the number of years since start of study. Let y be city's population.

Given the two Fibonacci numbers below, which number would follow? (17) - 1597 and F (18) = 2584

If x² - y² = 55, and x - y = 11, then y = a. 8 b. 5 c. 3 d. - 8 e. - 3

If jane has 3 balls and tim gave her 5 more. How many does she have in all?

27 devided by 1053 in decimal form like 528.6

Which expression best represents the difference between triple a number and double a number? A) 3x - 2x Eliminate B) 2x - 3x C) x3 - x2 D) x2 - x3

Naomi wants to buy a new computer for $840. She is considering two payment plans that require weekly payments. Which plan will pay for the computer faster? Plan A : $180 down $60 per payments Plan B: $0 down $70 per week payments