Dany bought a total of 20 game cards some

of which cost $0.25 each and some of which

cost $0.15 each. If Dany spent $4.2 to buy

these cards, how many cards of each type

did he buy?

Need answers fast

The time required to finish a test and normally distributed with a mean of 40 minutes in a standard deviation of eight minutes. What is the probability that a student chosen at random will finish the test and more than 56 minutes

A researcher wants to determine if preschool attendance is associated with high school graduation for low-income students.

A man ships its p in boxes with edges of 4 inches. if 12 boxes are put in a carton and completely fill the carton what is the volume of the carton?

Alex is 12 years older than George. Carl is three times older than Alex The sum of their ages is 68 find the ratio of George's age to Carl's age to Alex's age.

What is the product of 76.3 and 58

Paige has already spent $4 of her savings. She could represent the total amount she has left using the expression. Then Paige spent another $5. Which expression represents the amount of money Paige has now? A. 4 + 5 B. d - 5 C. d + 9 D. d - 9

In Covina, California, the population is 47,000. The population increases 18% every year. Determine how long it will take to reach 192,000.

Express 360 as a product of primes

2x - 6 ≥ 6 (x - 2) + 8

Diego is solving the inequality 100 - 3x ≥ - 50. He solves the equation 100 - 3x = - 50 and gets x = 50. What is the solution to the inequality?