Special products can be illustrated by using areas of rectangles. Use the figure to justify the special product 
Express the area of the large square as the square of a binomial.
A. ab
B. a2 + b2
C. 2a + 2b
D. (a + b)2
Answer: D
Mathematics
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Solve.A sign board has an area of 209 m2. The length of the diagonal is 
m. What are the dimensions of the sign?
A. 11 m by 22 m B. 11 m by 19 m C. 13m by 19 m D. 12 m by 18 m
Mathematics
Solve the system of equations using the substitution method.
A. (2.3, .2) B. (2.9, 2) C. (.23, 2) D. (2.3, 2)
Mathematics
Find the LCM of the set of numbers.2, 5, 24
A. 120 B. 24 C. 10 D. 240
Mathematics
Use front-end rounding to round each number. Then, multiply the rounded numbers to get an estimated answer. Finally, find the exact answer.estimateexact
?
A. Estimate: 210; exact: 17,773.875 B. Estimate: 2100; exact: 1777.3875 C. Estimate: 2110; exact: 1776.3875 D. Estimate: 210; exact: 177.73875
Mathematics