Solve.The Santos family saves 0.23 of their income. Express this as a percent.

A. 0.0023%
B. 2.3%
C. 0.023%
D. 23%


Answer: D

Mathematics

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Find the least common multiple of the numbers.442 and 507

A. 17,238 B. 5746 C. 224,094 D. 6591

Mathematics

Use the given vectors to find the specified scalar.u = -3i + 6j, v = -9i - 10j, w = -3i + 2j; Find u ? (v + w).

A. -48 B. -12 C. 21 D. -33

Mathematics

Use the line graph to solve the problem.What was the percent of decrease in hours needed to prepare from Test 2 to Test 3?

A. 50% B. 33% C. 67% D. 200%

Mathematics

Solve the system of equations.

A. x = -3z - 5, and y = z + 2, where z is any real number or {(x, y, z) |x = -3z - 5, and y = z + 2, where z is any real number} B. x = 3z + 5, and y = z - 2, where z is any real number or {(x, y, z) |x = 3z + 5, and y = z - 2, where z is any real number} C. x = z - 2, and y = -3z - 5, where z is any real number or {(x, y, z) |x = z - 2, and y = -3z - 5, where z is any real number} D. inconsistent

Mathematics