ABC Bookstore sells new books, n, for $12, and used books, u, for $8. The
store earned $112 revenue last month. The store sold 4 more used books
than new books. Which system of equations represents this scenario?
O
A. 8 + 12U = 112 /= n - 4
O
B. 8n+ 12 u = 112; U = n + 4
O
C. 12n + Su= 112; u= n + 4
O
D. 12n+ 8u = 112; U = n-4
SUBM

Identify the number 127 as a rational or irrational. explain

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality