Answer: Lines R and B are perpendicular
Step-by-step explanation: Slope of R is -1 and the slope of B is 1. Perpendicular lines have opposite slopes
Answer:
45°
Step-by-step explanation:
three angles in a triangle sum up to 180
90° + a + a = 180°
90° + 2a = 180°
2a = 180°-90°
2a = 90°
a = 45°
14/15 - 5/12
Common denominator is 60.

56/60 - 25/60
= 31/60 as fraction.
= 0.516 as decimal.
Answer:
Test's average-95
Homework's average-96.67
Step-by-step explanation:
Average is mathematically defined as the sum of the values divided by the total number of values and is expressed as:

The Tests' average is calculated as:

Hence, the Tests' average is 95
#The Homework's average is calculated as:

Hence, the Homework's average is 96.67