A certain substance has a half life of 1 hour. If you start with 3000 grams of the substance, how much will you have in 1 hour?

Find the value of 7-6t=-5

Two towns that are 31.5km aprt are 3cm apart on a map what is the scale of the map

Dan bought 5 1/4 gallons of gas on Friday and 6 1/2 gallons of gas on Saturday. How many liters of gas did he buy? Assume 1 gallon = 3.8 liters.

An exterminator charges $80 to visit a home and $35 to spray each room. If the total bill was $395, how many rooms were sprayed? Write an algebraic equation that represents this situation. Then solve it.

How do you solve this equation 7-6x=41

Reduce the fraction 36/48 to its lowest terms.

How many integers can have the same absolute value

Y+6=-6 (x+3) rewrite the equation in Ax+By=C

At the Grocery stores, a six-pack of bottles water costs 2.88. How much does each bottle cost?

A four-pack of paper towels costs $3.72. What is the cost per roll of paper towels?