Answer:
69
Step-by-step explanation:
term = 159 - 3n
Answer: 325mm
Step-by-step explanation:
To calculate shapes like this, you need to find the area of each of the shapes and add them.
The bigger square is 15 * 15 = 225
The smaller square is 10 * 10 = 100
Then add them: 225 + 100 = 325
Answer:
7+3 * 8
Step-by-step explanation:
It is 7+3*8 because if your going to check your work you can add 7 + 3 8s just to check it and you should get 31
Answer:
1.1726.
Step-by-step explanation:
Use the identity sec^2 O = 1 + tan^2 O
sec^2 O = 1 + 3/8 = 1.375
sec O = √(1.375)
= 1.1726.