Answer:
-42x^4 + 6x^3 + 24x^2
Step-by-step explanation:
LCM: <span>2 x 2 x 2 x 3 x 7 = 168</span>
GCF: 3
The sum of length and width is half the perimeter, 160 yd. The length is the average of the sum and difference of dimensions:
.. (160 +20)/2 = 90
Then the width is 160 -90 = 70
The rectangular field is 70 yd by 90 yd.
Answer:
2 over 7
Step-by-step explanation:
Answer:
C.
and 
Step-by-step explanation:
The proportion between these fractions is true. Multiply 4/10 (numerator and denominator) by 2.5 to get 10/25. This is the only correct option.
Hope it helps!