How do you subtract an integer from another integer without you think a number line or counters

A particular type of bacteria grows at a rate of 21 % per day. If my hyena got infected with 2300 bacterium when his leg was cut by barbed wire, how many bacterium will be present in 10 days when I finally decide I need to take the hyena to the

25. Which description does NOT guarantee that a quadrilateral is a rectangle? Select one: a. a quadrilateral with all congruent angles b. a quadrilateral with diagonals that are congruent and bisect each other c.

Find the percent of discount round to the nearest tenth original price 21,240 selling price 15,360

True or false? Adb ~Bdc ~Abc

Circle N is shown. LIne segments L N and M N are radii. The length of L N is 4. Angle L N M is 72 degrees. Sector L N M is shaded. What is the ratio of the sector area to the area of the entire circle? One-fifth One-half 2 4 (answer is 1/5)

Select the correct answer from each drop-down menu. There are eight planets in our solar system. Venus is the hottest planet, with an average temperature of 460°C. The average temperatures of some other planets are given in the table.

What is the prime and composite number of 47 31 92 63 57 135

What is the amplitude of the sinusoid given by y=-5sin (7x) ?

Frank buys p pounds of oranges for $2.29 per pound and the same number of pound ls of apples for $1.69 per pound. What does the expression 2.29p + 1.69p represent?

This net consists of a square and 4 identical triangles. What is the surface area of the sold this net can form? Not drawn to scale