Answer:
Step-by-step explanation:
Answer:
C. -4x - 1
Step-by-step explanation:

Distribute the term outside of the parenthesis, Multiply each term in the parenthesis by the term outside (do not forget to include the negative sign when multiplying);

Simplify,

So that is equal to 180 miles per 2 hours which is 90 miles per hour if each hour has the same m/hr rate.
You can set up a proportion:
let x = number of miles per hour

cross multiply and you get
2x=180
divide both sides by 2 and you get
x=90
so you get the same answer both ways,
90 miles per hour
The decimal of 2.1 is greater than 2.0 but less than 2.42
Answer:
Each screwdriver has a mass of 1,298 grams, and each wrench has a mass of 2,282 grams.
Step-by-step explanation: