Answer:
first one with -1...21
Step-by-step explanation:
only one that follows quadratic formula format
Answer:
1/2
Step-by-step explanation:
30s = 1/4
30s=1/4
30s=1/4
Answer:
30,000
Step-by-step explanation:
7 is rounded up, so 2 + 1 is 3, therefore the answer is 30,000