Angle D corresponds to angle Z, so they are congruent.
In a parallelogram, consecutive angles are supplementary.
m<C + m<D = 180
m<C + m<Z = 180
123 + 57 = 180
180 = 180
The statements may be true.
V = w * l * h = 3.8 * 7.518 * 2.789 = 79.7 ft³ ← to the nearest tenth
Convert all to lb and find cost per 1lb
A.
54oz, convert to lb
54/16=3.375lb
find per lb
4.89/3.375=$1.4488888 per lb
B.
2 and 3/4=2.75, 3.91/2.75=$1.42181 per lb
C. 910/453.59=2.00621lb
3.10/2.00621=$1.545 per lb
compare
A: $1.4488888 per lb
B: $1.42181 per lb
C: $1.545 per lb
B is cheapest, followed by A then C
B is best buy
She can make a 6x7 or a 7x6 area
9×7=63
63÷2=31.5
31.5×4=126
7×7=49
126+49=175
175 is the answer