Math Algebra 6.2.1.1

1. 4x = 2xy +8. If the value of x is 4 in the equation above, what is the value of y ?

2. Every minute Jessica runs, she burns 18 calories. At this rate, how many minutes will Jessica need to run in order to burn 396 calories?

3. The temperature of an oven is currently 300 degrees and is rising at a rate of 25 degrees per minute. If t represents the amount of minutes that have passed, which of the following equations models the temperature of the oven?