question What is the measure of each interior angle of a regular octagon

Math

What is the measure of each interior angle of a regular octagon?

A. 45∘45∘
B. 90∘90∘
C. 135∘135∘
D. 160∘160∘

In a regular octagon, each interior angle is 135∘135∘.

What is the value of 7373?

A. 343
B. 427
C. 512
D. 729

Solve the equation: 3�−7=83y−7=8.

A. �=5y=5
B. �=6y=6
C. �=7y=7
D. �=8y=8

What is the result of 15 + 23?

A. 32
B. 38
C. 40
D. 48

If a box contains 5 red balls, 3 blue balls, and 4 green balls, what fraction represents the probability of picking a blue ball randomly?

A. 1331
B. 312123
C. 1441
D. 3553

If 5�+2=275u+2=27, what is the value of �u?

A. 4
B. 5
C. 6
D. 7

If a square has a diagonal of length 4242 units, what is the length of each side?

A. 22 units
B. 44 units
C. 66 units
D. 88 units

A store initially had 120 items. If 25% were sold, how many items remain?

A. 60
B. 70
C. 80
D. 90

If �+4=10a+4=10, what is the value of �a?

A. 4
B. 5
C. 6
D. 7

If a shirt costs $25 and is on sale for 20% off, what is the discounted price?

A. 18
B. 20
C. 22
D. 30

What is the value of 24×3224×32?

A. 144
B. 192
C. 256
D. 324