Answer: B) 18° C
Step-by-step explanation:
21+(-3) = 21 - 3
= 18
Answer:
This is because mathematics uses some theories that helps to change words to equations. for example, a tree of height 50m makes a shadow on the ground. an observer standing at angle of 30 degrees, calculate the distance of the man to the tree. we use the the formula, tan (30)=opp/adj


Answer:

or

Step-by-step explanation:





Factor.

Extract the square root.

Add 5

or

5x-3=2.5x+x solve this equation that I just gave you for X then plug it in to 2.5x and that will equal MN
Answer:
790
Step-by-step explanation:
i just took the test