Answer:
an = a1 + d(n - 1)
a88 = 4 + (-5)(88 - 1)
a88 = 4 + (-5)(87)
a88 = 4 - 435
a88 = -431
So, the 88th term of the arithmetic sequence is -431.
Answer:
10
Step-by-step explanation:
You just have to convert the fraction into numerical form.
1 and 1/5
change it to
1 and 2/10
so 1.2
You then divide 12 by 1.2 which gives you 10.
Answer:

Step-by-step explanation:
5 can go into 19 three times. This will leave a remainder of 4. Therefore, 19/5 as a mixed number is 3 4/5.
The area is 48
I did 12x8/2 using the formula height x base divided by 2
hope it helps
Answer:
12.6
Step-by-step explanation:
1.8X7
7x1=7
0.8x7=5.6
7+5.6=12.6