The following graph models bristols heart rate, in beats per minute(bpm), over time, in minutes during the last 10 minutes of yoga class. bristols heart rate is 70.

is the graph that models bristol's heart rate a parabola?

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

Which expression is equivalent to -12(3x-3/4)

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)