Given x - 3 = 12, solve for x?
x = 15
Given x + 19 = 4x - 2, solve for x?
x = 7
Find the Greatest Common Factor (GCF) of 55 and 75
5
Given 2 ≤ 2x+1 < 3, what is the solution for x?
1/2 ≤ x <1
The price of a 4 years old BMW car went from $15,000 to $25,000 over a period of 4 years. Find the average increase per year.
$2,500 per year
∛8 = ?
2
If the average of x and y is 11 and the average of x, y, and z is 5, what is the value of z?
z = -7
Sarah wanted to make jump ropes for herself and her friends, so she went to a store and purchased 100 feet of rope. If each jump rope is 7 feet long, how many jump ropes could Sarah make and how many feet of rope will she have left over?
14 jump ropes, with 2 feet left over
Write out all the primes less than 20 and give the definition of prime number.
{2, 3, 5, 7, 11, 13, 17, 19}
A prime number is a positive number greater than 1 that is only evenly divisible by itself and one.