Answer: 1st is 180$ sorry if I’m wrong
Step-by-step explanation:
The correct answer of

if x=4 is 272.
to solve the equation if x equals 4, you must substitute the x of the 4.

then solve by order of operations.
solve what is inside the parentheses first

then do the multiplication of the factors

then the final step, adding, to get the solution of 272
Answer:
sin b would be 4/5
Step-by-step explanation:
sine is the opposite leg/the hypotenuse
Answer: 20
1) simplify 2^2 to 4
4*5
2) simplify
20