Dan's business loses $9 each day. which equation would be used to show how much money dan's business has lost in a week?
a. -9 × 7
b.-9 × (-7)
c.9 × 7
d.9 × (-7)

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.