Radium decays exponentially; it has a half-life of 1,600 years. find a formula for the amount, q (t), remaining from 70 mg of pure radium after t years.

1+4=5 2+5=12 3+6=21 8+11=?

How do you find the property of 34 + 0 + 18 + 26 using Common Core math?

How many bags of candy can you buy with 21 dollars of one bag of candy cost $3.00

There are 4 boxes of cookies each box holds 8 cookies how many childrrn can be served 2 cookies each

2. Provide reasons for the proof of the triangle proportionality theorem. Given: Line segment KL Prove: KM/JK = LN/JL Statement Reason 1. Line segment KL box line segment MN 1. Given 2. 2. 3. box JKL two boxes JMN 3. 4. JM/JK = JN/JL 4. 5.

Rosario paid $2.50 for 3 pounds of apples. Select all of the rates that are equivalent to the rate Rosario paid. A.$0.90 for 1 pounds B.$4.50 for 5 pounds C.$7.50 for 9 pounds D.$9.60 for 11 pounds E.$10.00 for 12 pounds

23% of 75 is what number

Write the equation of a line which passes through the origin.

Chen is keeping track of mileage to find out how many miles per gallon he gets in his truck. If he puts in 12 gallons of gas and has driven 212.4 miles since his last fill-up, how many miles per gallon does his truck get, to the nearest tenth?

Round 421,906 to the nearest hundred thousand and to the nearest thousand