Answer:
Jeff is 15 years younger than Joe who is 10
Step-by-step explanation:
Answer: 1st Choice Starting at the origin go 5 spaces to the right and then 2.5
Answer: you can only add like terms, for example; 2x + 3x = 5x as they both have an x next to the numbers.
you cannot simplify 2 + 4x as they both don’t have an x next to them.
hence why, the answer to 2x^2 + 15x^2 would be 17x^2
Step-by-step explanation:
Answer:
-14
Step-by-step explanation:
a·b = |a|×|b|×cos(angle between them)
= 4×7×(-1/2)
= -14