Alan used 9 as an estimated for 3 7/10 + 5 4/10. he added and got for the actual sum. is alan's answer reasonable ?

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.

Which term applies to agb and dge? a. obtuse b. supplementary c. complementary d. vertical