Find each percent of change. Round to the nearest whole percent. State whether the percent of change is an increase or a decrease. 100 acres to 140 acres

3 out of every ten pairs of skis sold by snow sports are cross country skis. how many of the skis were likely to have been cross country skis?

Is - 68 + 90 positive or negative?

Sophia throws a birthday party. There are 7 bowls of ice cream at the party, 4 of which contains chocolate ice cream. What is the probability that a randomly selected bowl will have chocolate ice cream?

And draw a set of objects where you could find a fractional part of the group using the total number of objects and by using subgroups

Two straight lengths of wire are placed on the ground, forming vertical angles. If the measure of one of these angles is 72 degrees, what are the measures of the other three angles. Explain your answer

If the domain of the square root function f (x) is x57, which statement must be true? 7 is subtracted from the x-term inside the radical, The radical is multiplied by a negative number, 7 is added to the radical term, The x-term inside the radical

Li Jun decides to model the rate at which the number of cavities a person has changes as the volume of acidic beverages the person drinks increases. What would be an appropriate unit for Li Jun's purpose?

To construct an equilateral triangle inscribed in a circle, Jason first inscribed a regular polygon in the circle. Then he began at one vertex of the polygon and drew line segments connecting every other vertex.

a circular table top is a radius of 24in what is the area of the table top to the nearest square inch? Use 3.14 for pi.

Can be expressed as the sum u=v+w, where v satisfies the initial conditions