Solve.Sandi can make a quilt in 10 days and Eva can make a quilt in 7 days. In how many days can they make a quilt working together?

A. 5 days
B. 3 days
C. 4 days
D. 4 days


Answer: C

Mathematics

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Write the expression as one logarithm.5 log (x + 3) - 6 log (x2 + 4) +   log y

A. -  log 
B. log 
C. log 
D.  log 

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First, round the mixed numbers to the nearest whole number and estimate the answer. Then find the exact answer and write it in simplest form.15 - 8

A. 14
B. 7
C. 6
D. 7

Mathematics

Solve the triangle. Round side lengths and angle measures to the nearest tenth when necessary. 

A. a ? 8.3, B ? 6.9°, C ? 143.1° B. a ? 7.3, B ? 7.8°, C ? 142.2° C. a ? 7.3, B ? 7.8°, C ? 37.8° D. a ? 8.3, B ? 2.8°, C ? 147.2°

Mathematics

Evaluate the function at the given value of the independent variable and simplify.g(x) = 4x - 2;g(x + 1)

A. 4x - 2
B. 4x - 1
C. x - 2
D. 4x + 2

Mathematics