Write the rational expression in lowest terms.
A. -(m + 3)
B. m + 3
C. m
D. -m
Answer: D
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Find the exact value. sin 75°
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Solve the problem.In order to measure the distance across a pond (from A to B), Louis made some measurements, which are given below the drawing. What is the distance (to the nearest unit)? src="https://sciemce.com/media/4/ppg__rrr0706190933__f1q44g6.jpg" alt="" style="vertical-align: -4.0px;" /> 
A. 163 yd
B. 142 yd
C. 170 yd
D. 136 yd
A solution has a hydrogen ion concentration of [H+] = 7.6 × 10^–8.
The pHH scale is defined as pH = –log[H+] where [H+] is the hydrogen ion concentration, in moles per liter. Substances with a pH less than 7 are acidic, and those with a pH greater than 7 are basic. Is the solution acidic or basic? A) Acidic B) Basic
Choose the logistic function that best approximates the given curve.
?
?
?
A. 
B. 
C. ?
D. ?
E. ?