Approximately 10% of all people are left-handed. Consider a grouping of fifteen people.

Solve the system of equations by substitution. 2x + y = 3z x + y = 6z What is the value for y from the first equation, that could be substituted into the second equation? A. - 2x + 3z B. 3z + 2x C. - 2x - 3z D. 2x + 3z

Jennifer earned $249.60 in 6 1/2 years on a $640 investment. What was the simple interest rate?

If you walked 10 minutes at 80 steps per minute. What would the ratio of yards to minutes be

What's the GCF of 26 and 34?

Joseph needs to find the quotient of 3,216 divided by 8 in what play is the first digit in the quotient

Write an equivalent expression to - 2 (1.5h+5) - 4 (-0.5+3h)

Write 5 * 5 * 5 * 5 using exponents. A. 55 B. 54 C. 52 D. 45

How many 1/8 are in 1/2

A box or laundry detergent is on sale for $6.50. If this price represents a 40% discount from the original price, what is the original price to the nearest cent?

Of a group of students 5/8 of them are boys. The girls are put into groups so that each group has 1/6 of the total number of students. How many groups of girls are there?