0.28 + 0.43 what is the real awnser

What Is the value of n? - 2/3n = 12

Preston's hair was 4 centimeters long after his last haircut, and it grows 1.5 centimeters every month. Write a model that shows the relationship between the months, m, and the hair length, H

11. Find all relative extrema for f (x) = 3x + 7x2 + x + 5. a) Relative maximum (nearest tenth) b) Relative minimum (nearest tenth) c) Increasing (nearest tenth): d) Decreasing (nearest tenth) :

Is - 2.7 greater than - 2.73

X, Y and Z represent 20%, 30% and 50% 2%, 3% and 5% of students from X, Y and z (respectively) participate in these competitions every year.

A food packing company makes a popular fruit cocktail. To ensure a good mixture of fruit, there are 3 cherry halves for every 8 white grapes in a jar. An inspector notices that one jar has 12 cherry halves and 20 white grapes.

What is the answer to 7 y - 1 equals 5 y + 9

3. If 14 is 35% of a value, what is that value?

A school brought 32 new desks. Each desk cost $24. Estimate how much the school spent on the new desks

Evaluate the expression 1/3^-2