A disadvantage of adding a sald bar to a school lunch menu would be A. Longer lines for food B. A shorter lunch time C. Higher costs for students D. Lower food quality

the correct answer is C.Higher cosrs for students .

Explanation:

hope it helps you!

angle a = 40.6°

step-by-step explanation:

for any right angle triangle we know the pythagoras theorem reveals

hypotenuse² = height²+base²

by this formula we will calculate the length of hypotenuse

h² = 6²+7²

⇒ h =√36+49 = √85 = 9.22

now from the given triangle sin a = height/ hypotenuse

                                                sin a = 6/9.22 = 0.651

therefore

so angle a = 40.6°

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