8. which is one way to check out the answer to 120 + 4 = 30?
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o a. 120 x 4 = 30
o b. 30 = 4 = 120
o c. 30 x 4 = 120
o d. 30 x 120 = 4
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5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.