If the sum of a number and - 3 is doubled the result is 1 half

times the number. Find the number

How many times does 77 go into 91?

The volume of a cone with a height of 6 cm is 8 base of the cone? cubic centimeters. Which expression can be used to find r, the radius of the base of the cone

A 10 -ft vertical post casts a 16 -in shadow at the same time a nearby cell phone tower casts a 120 -ft shadow. How tall is the cell phone tower?

Write a slope-intercept equation for a line with the given characteristics. Passes through (6, 2) and (-3, 7)

A type of bacterium triples in population every hour. Assuming you start with 90 bacteria, the formula that models the number of bacteria at the beginning of hour nis: a (n) = 90.3n-1 How many bacteria will there be at the beginning of hour 5?

What multiplication fact could you use to find a number that can be divided evenly by 8 and9?

If ∠A, and ∠B, are complementary angles and if m∠A = 4x-8 and∠B = 2x + 2, what is value of X?

The area of a rectangle is 96 square feet. The ratio of the width to the length is 2:3. The width of the rectangle is how many feet?

How many 1-in cubes can fit into a 2by 4 by by 2 in prism?

Fish give off the compound and ammonia, which has a pH above 7.2. Which class pof commands does ammonia belong?