1. Which of these is an example of acceleration? a. A car coasting along at 100 km/hr
b. A car parked in a parking lot
c. A car slamming on its brakes
d. A car speeding at 120 km/hr

d

Step-by-step explanation:

because speed means acceleration and the speed of something

d

Step-by-step explanation:

because

a - if you're coasting, you're not gaining any speed.

b - it's parked, therefore it isnt  moving.

c - if you slam on your brakes, you're stopped.

the answer will be b x² +x-1

step-by-step explanation:

“a term can be a signed number, a variable, or a constant multiplied by a + sign or j sign. in , the terms are 5x , 3y and 8. when a term is made up of a constant multiplied by a variable or variables, that constant is called a coefficient.” i hope this you.