Answer:
180
Step-by-step explanation:
The 12 th square number is
12² = 12 × 12 = 144
The 6 th square number is
6² = 6 × 6 = 36
Thus
sum = 144 + 36 = 180
Answer:
Betty had 45 minutes to take her test in mixed number form it is
Step-by-step explanation:
1 hour
1/4 an hour = 15 minutes
1/2 an hour is 30 minutes
1 hr 15- 30= 45
45= 3/4 of and hour remaining to test
Answer:
PQ = 18
Step-by-step explanation:
If R is the midpoint of PQ, then PR = RQ
⇒ 6x + 7 = 3x + 8
⇒ 3x = 1
⇒ x = 1/3
So PR = 6x + 7 = 6(1/3) + 7 = 9
and RQ = 3x + 8 = 3(1/3) + 8 = 9
⇒ PQ = PR + RQ = 9 + 9 = 18
Answer:
2
Step-by-step explanation:
