How to solve a literal equation

M+3n=7; - 2,0,1

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Mia is three years older than twice her sister Brooke's age. The sum of their ages is less than 30. What is the greatest age Brooke could be?

5.39 * 0.37? What is the answer?

Y = - 7x + 8 Write in standard form

Whats the is equal to 16

What was the original price of an item if a discount of 20 percent reduced the price to Rs. 100? A. Rs. 80 B. Rs. 120 C. Rs. 125 D. Rs. 150 E. Rs. 250

A rectangle has length (4x+ 5) and breadth 3x. Find the area of the rectangle.

A pattern has 1,000 identical circles. If 665 of the circles are orange, what decimal represents the part of the pattern that is orange? Why? A. 665 B. 66.5 C. 6.65 D. 0.665

3.) What is h (5) ? What does this mean?

I was wondering how to find these things about the Singapore flyer (ferries wheel) ? The measure of the central angle in degrees, the measure of the central angle in radian, the arc length between two cars, and the area of a sector between two cars?

What is Charlotte has 12 T-shirts one fourth of her two shirts are green how many of charlottes T-shirts are green?