Use an integer to express the number.On a sunny day, the water temperature in the swimming pool rises 9 degrees.
A. -9
B. 9
Answer: B
Mathematics
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Find the length of the unknown side of the right triangle with legs a and b and hypotenuse c. Round to three decimal places, if necessary.a = 20, c = 52
A. b = 56 B. b = 48 C. b = 49 D. b = 36
Mathematics
Factor the perfect square trinomial completely.25k3m - 90k2m2 + 81km3
A. km(5k + 9m)2 B. km(5k - 9m)(5k + 9m) C. (25k2m + km)(k + 81m2) D. km(5k - 9m)2
Mathematics
Multiply.
A. 4x2 + 
x - 
B. 4x2 - 
x - 
C. 4x2 - 
D. 4x2 - 
Mathematics
Solve.A computer compiles a program in 1.294 × 10-6 seconds. Write this in decimal notation.
A. 0.0000001294 B. 0.000001294 C. 0.00001294 D. -1,294,000
Mathematics