Answer:
Step-by-step explanation:
Take out 8m as a factor from the top side of the equation. You are left with 
4 more than 4 times x is 45 the answer will be x=41/4
Answer 38.6
Step-by-step explanation:
21 x .84 = 17.64
17.64 + 21 = 38.64
Draw a vector triangle. When you draw the horizontal and vertical components, you end up with a right triangle. The magnitude of the vector is equal to the hypotenuse of the triangle so you can use the Pythagorean theorem to calculate it. Rearrange the Pythagorean theorem to calculate the magnitude
