Multiply.(8xy + 5z)(8xy - 5z)
A. 64x2y2 - 80xyz - 25z2
B. 64x2y2 + 80xyz - 25z2
C. 64x2y2 - 25z2
D. x2y2 - 25z2
Answer: C
Mathematics
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Add or subtract. Assume all variables represent nonnegative real numbers.6
- 5x
A. 2x
B. x
C. 6
- 2x
D. Cannot simplify
Mathematics
Multiply and write the answer as a mixed number in simplest form.4 ? 4
A. 16
B. 16
C. 17
D. 16
Mathematics
Factor the polynomial.15x4 + 19x2 + 6
A. (5x2 - 3)(3x2 - 2) B. (3x2 + 1)(5x2 + 6) C. (15x2 + 2)(x2 + 3) D. (3x2 + 2)(5x2 + 3)
Mathematics
A ball is thrown vertically upwards from a height of 6 ft with an initial velocity of 40 ft per second. ? How high will the ball go? ?
A. 29.03 ft B. 29.34 ft C. 30.89 ft D. 25.02 ft E. 32.12 ft
Mathematics