Perform the computation.(-49) - (-19)
A. -30
B. 68
C. 30
D. -68
Answer: A
Mathematics
You might also like to view...
Solve the problem.Cathy scored 4 times as much as Helen on the test.Determine which of the statement's below is true.
A. Cathy's score was 400% of Helen's score. B. Helen's score was 300% less than Cathy's score. C. Cathy's score was 300% of Helen's score. D. Cathy's score was 400% more than Helen's score.
Mathematics
Solve.
+ 
= 
A. No solution B. 4, 3 C. -6, 5 D. -3, -4
Mathematics
Give an expression that generates all angles coterminal with the given angle. Let n represent any integer.98°
A. 98° + n ? 180° B. 98° + n ? 360° C. 98° + n ? 720° D. 98° + n ? 90°
Mathematics
Find the product.(-9a + 5b)(-8a + 3b)
A. 72a2 - 67ab + 15b2 B. 72a2 + 67ab + 15b2 C. 72a2 + 13ab + 15b2 D. 72a2 + 15b2
Mathematics