Percentage

1. What is the value of 3x + 5 when x = 2?

2. If a triangle has angles measuring 30 degrees and 60 degrees, what is the measure of the third angle?

3. Solve for y in the equation 2y - 4 = 10.

4. What is the area of a rectangle that has a length of 8 cm and a width of 3 cm?

5. If a car travels 60 miles in 1 hour, how far will it travel in 2.5 hours at the same speed?