ANSWER


EXPLANATION
The given triangle has a right angle.
The side opposite to the 45° angle is 7 units.
To find angle x, we use the tangent ratio.
Recall the mnemonics TOA, which means,




To find y, we use the sine ratio, which means






Answer:
A
Step-by-step explanation:
A population is a set of similar items or events which is of interest for some question or experiment.
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