Answer:
Slope is -4
Step-by-step explanation:
Subtract the numbers. 71.45 - 70.24 = 1.21
==> Answer B
Answer:
angle B = 66.42
Step-by-step explanation:
cos-1 B = 
cos-1 B = 
cos-1 B = 0.40
cos-1 of 0.40 is 66.4218
round to the nearest hundreth = 66.42
angle b = 66.42
Answer:
234 cm²
Step-by-step explanation:
Given expression to represent the surface area of the rectangular prism is 
The given value of x is 3.
Now, finding value of expression by sustituting value of "x" as given.
Surface area of the rectangular prism = 
Surface area of the rectangular prism= 
∴ Surface area of the rectangular prism= 
Surface area of the rectangular prism= 
∴ Surface area of the rectangular prism= 234 cm²