Answer:
49
Step-by-step explanation:
f(-3)= 3(-3)² - 7(-3) + 1
= 3(9) - (-21) + 1
= 27 + 21 + 1
=49
notes: negative × negative = positive
Answer:
2/3
Step-by-step explanation:
10 / 3 * 1/5 = 2/3
Answer:
yes it can make a right triangle
Step-by-step explanation:
D because 6.2=100
6.2×1.4=8.68
so 100×1.4=140
140-100=40
so it's 40%