Answer:
539.7
Step-by-step explanation:
Multiply 25.7 to 21 to get the answer.
-3x to the second power - 2
I believe this is your answer.
Answer:
840
Step-by-step explanation:
if it can hold 70 in 20 minutes it can hold 210 in 1 hour and 4x210 equals 840
Answer:
32
Step-by-step explanation:
substitute the given values of a, b and c into the expression:
b² - 2ac = 4² - (2 x 4 x -2)
= 16 - (-16)
= 16 + 16
= 32
