The arithmetic formula is expressed as an = a1 + d *(n-1)where n is an integer. Substituting from the given a1 = -12 and a27 = 66, 66 = -12 + d *(27-1). hence , d is equal to 3. a42 thus using the formula is equal to 111. The final answer to this problem is 111.

7 0

3 years ago

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The jars of paint in the art room have different amounts of paint. The green paint jar is 4/8 full. The purple paint jar is 4/6f

natulia [17]

4/8 is less full because it's only half compared to 4/6 which is 1.5

7 0

3 years ago

Shen is saving money to buy a game. The game costs $24 , and so far he has saved two-thirds of this cost. How much money has She

valentinak56 [21]

24 divided by 3 = 8

but thers two third so 8+8=16

shen has saved $16.00

Hope this helps!

8 0

3 years ago