Answer:
Each pen costed $5.
Step-by-step explanation:
Simple, the coefficient (5) is the cost for one of the pens & the x is the amount of pens bought.
Hope this helped & please give me the brainliest if it did!
Answer:
49
Step-by-step explanation:
Root is the opposite of a power of 2.
Find 7 to the power of 2 to find the number inside:
7^2 = 7 * 7 = 49
49 is your answer, or B)
~
T=21+4.5X
21 is the original temp.
4.5 is the constant rate I got when I subtracted 75-21=54 then divided 54/12min=4.5.
75 =21 + 4.5(12)
Answer:
cosine
Step-by-step explanation:
