Answer:
1,3
Step-by-step explanation:
1,3
16 students are girls since 3+4 is 7 and 7*4 is 28. With this you multiply 4 by 4 since it is boys to girls and you will get 16 which is the answer.
9514 1404 393
Explanation:
As written, the equation is not an identity. Perhaps you want to show ...
(csc(x) +cot(x))² = (cos(x) +1)/(1 -cos(x))
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We will transform the left-side expression to the form of the right-side expression.

4 hours? i may be wrong
i did - 60 * 15
seems about right, since 50% would be 7.5 hours?
Answer:
42
Step-by-step explanation:
3/4 is division which equals .75
0.75 x 56 = 42