Answer:
8.49
Step-by-step explanation:
Answer:
The answer for first one is,

sorry I don't know the answer for second one.
Algebra 1 is a high school course. You learn some of the same things but in algebra it's more complicated.
Answer: find the third value when two values
The perimeter of ΔABC is 13 cm
Step-by-step explanation:
Answer:
5°F
Step-by-step explanation:
Given that the average is obtained from;
Average = sum of scores / number of scores
Average temperature = 19.8°F
Let the temperature of the fifth day be x
Hence;
19.8 = 32 + 30 + 22 + 10 + x/5
19.8 = 94 + x/5
x= (5×19.8) -94
x= 5°F