Answer:
70 degrees
Step-by-step explanation:
Measure of arc ABC is 128 degrees, so measure of arc BC is 128-90 = 38 degrees.
Meausure of arc BCD is 102 + 38 = 140 degrees, so measure of angle A is 140/2 = 70 degrees
Answer:
32768 ways
Step-by-step explanation:
Given
Marbles = 8 marbles
Selection = 5 (with replacement)
Required
Determine the number of ways
Because it is a selection with replacement; each selection is as follows:





Total number of ways is then calculated as:


Answer:
44.58
Step-by-step explanation:

1/4 because there are 8 letters in vacation and two a’s meaning it’s a 2/8 chance simplify that to 1/4 (25%)
Answer: 439,824 ft
Step-by-step explanation: the | means it is equal to so there is one on 7ft so the one without a number will be 7ft
Area is LxW
so 7x6x8x11x17x7=439,824
not sure if it’s correct tho but i guess I helped