Tom sold half of his comic books and then bought seven more. He now has thirteen. How many did he begin with?
Given the demand and supply of functions, P=50-1.5Q and Q=-11+0.5P, find the equilibrium point
How many liters of water must be evaporated from 10 L of a 30% salt solution to produce a 50% solution?
If grapes sell for $0.65 a pound. What is the consistent rate of change?
How many of the triples below could be sides of a right triangle? b8, 24, 25g; b12, 16, 21g; b28, 46, 53g; b3, 4, 5g [A] 1 [B] 2 [C] 4 [D] 3
Tina is 4 years older than sherry in two years the sum of their ages will be 40 find the present ages
delsym middle school has 1800 kids. a random sample of 80 kids shows that 24 of them have cell phones. predict the number of students in the school have cell ph
what is the volume of a sphere sitting inside of a cylinder that is 32 inches tall
if the price of an item goes up from $70 to $84 what was the percent of increase
if the cost of 5 pounds of a product is $12 what is the cost of 6 pounds write your answer as a mixed number
the sum of three consecutive numbers is 312. find the smallest of the three
one number is nine more than a second number. six times the first is 12 less than 4 times the second. find the numbers
how many 20 centimeter square can make from a strip 20 centimeter Wide and 5 meter long
if the cost of 5 pounds of a product is $12 what is the cost of 6 pounds? write your answer as a mixed number
if the price of an item goes up from $70 to $84 what was the percent of increase?
Valerie can type 34 words per minute. At this rate, how many words can she type in 5.5 minutes
A cat food can (Cylinder) has a radius of 10. Solve for the Height.
efren leaves at 9am and walks 4 miles an hour his brother gregory leaves 30 later and run 8.5 miles per hour
A parking meter contains dimes and quarters worth ?$10.85. There are 6565 coins in all. Find how many of each there are.
A 11 lenght of 4 inch wide crown molding cost 12.how much will it cost to buy 95 feet of crown molding ?