Answer:
b. 785 cm³
Step-by-step explanation:

80/100 and 8/10 cause if you multiply the 8/10 by2 ( numerator and denominator) you see that your equivalent fraction is 80/100
Answer:
x = 4
y = -7
Step-by-step explanation:
y = -2x + 1
4x + y = 9
4x + y = 9
4x + (-2x + 1) = 9
4x - 2x + 1 = 9
2x + 1 = 9
2x = 9 - 1
2x = 8
x = 8/2
<u>x = 4</u>
4x + y = 9
4(4) + y = 9
16 + y = 9
y = 9 - 16
<u>y = -7</u>
2 × 0. = 80 ÷ 3
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3 60. 80÷3 = 26.666666667