It is D because it means supplementary angles which equal up to 180
Answer:
-7 * -7 = 49.
Step-by-step explanation:
A negative number times another negative number gives a positive number.
7 * 7 = 49 , also - 7 * -7 = 49.
0.43h + 0.65p + 1.31d = c
explanation:
h stands for hotdogs, p for pretzels, and d for drinks. c represents the total cost.
each price next to the variable describes the profit per item.
hope this helps! :D
21x+11=21x
—-subtract 21x on both sides
11=0
—-subtract 11 on both sides
0=-11
Answer: There are no solutions
6.68% of the students scored at least 19 points on this test while the 85 percentile has a test score of 24.08 points
The z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:
P(x > 19) = P(z > 1.5) = 1 - P(z < 1.5) = 1 - 0.9332 = 0.0668
6.68% of the students scored at least 19 points on this test
b) 85 percentile corresponds to a z score of 1.04
The 85 percentile has a test score of 24.08
Find out more at: brainly.com/question/25012216