Andrew is 17 years old, which is 3 years more than twice as old as his sister. Andrew's sister is a years old. Which value of a makes the equation 17 = 2a + 3 true?

1. One box of cereal is 16 ounces and costs $3. A smaller box of The same cereal is 11.5 ounces and costs $2. Which box of cereal is the better but? Explain. 2. I'm an N-guage model train set, a tank car is 3.75 inches long.

What type of number can be written as a fraction p/q where p and w are integers and q is not equal to zero

If 10 pens cost £4.00 then find the cost of 7 pens

Which of the following sets of data does NOT represent a function? Set A (x, y) (6, 3) (8,4) (5, 7) (9, 2) Set B (x, y) (0, 3) (1, 8) (2, 8) (3, - 7) Set C (x, y) (10, 7) (20, 11) (30, 9) (40, 7) Set D (x, y) (3, 9) (2, 2) (8, - 3) (2, 1) a: Set A.

3n2-7n-6 42/14n2-6n-7

Felipe Vasquez bought some 14₵ stamps and the same number of 22₵ stamps. He paid a total of $1.80 for all the stamps. How many of each kind did he buy?

What it 87^4*10^9 divided by 7

8/10x 1 3/5 = ? would be what?

Caroline measured the weight of a dog that came into the veterinary clinic. She determined that her measurement had a margin of error of 0.05 kilogram. What could be the measured weight of the dog?

Inspect the number line which square roots have a difference of about 0.5?