To calculate this you need to imagine triangle which points are:
boat
Top of lighthouse
Bottom of lighthouse
That triangle has 90 degrees angle at bottom of lighthouse. That means that we can use trigonometry to determine length between boat and bottom of lighthouse
tan(25) = 89/x
x = 89/tan(25)
x = 190.86
after rounding, the answer is D, 191 feet
Answer: 520 ml
Step-by-step explanation : Add 8+3. Then divide 11 into 715. Multiply 65 by 8.
My favorite is probably aweSAMdude
Answer: -9
Step-by-step explanation: it is a negative because it is minus 9$ from the price just like adding -9