Simplify; 7a+4b+7a-3b

Write an absolute value expression to represent the distance between - 1 and - 6 on a number line. then evaluate the expression.

You can reflect a square onto itself across How many different lines of reflection

What is an equation for the number of $0.60 bagels that can be purchased with d dollars

If there are 20 and someone gives you 256 more how many do you have

5417 times 2.4 equals what

In 2005, there were 18,400 students at college A, with a projected enrollment increase of 500 students per year In the same year, there were 37,650 students at college B, with a projected enrollment dec line of 1250 students per year According to

Suppose that 1% of the students in a school have head lice and the test for head lice is accurate 75% of the time. What is the probability that a student in the school has head lice, given that the test came back positive?,

What is the angle rotational symmetry when the order is 20? A. 10 B. 360 C. 18 D. 90

What is the common denominator of 5/x2-4,-2/x+2

Find the least common multiple of 2,9, and 12.