What expression is equivalent to b+b+b+b

Leah had 0.25 of a pizza left over. Her friend Nguyen, ate 1/6 of the left over pizza. How much of the pizza did Nguyen eat?

Factor z2 - 3z - 18.

An object's weight depends on its height above the surface of the earth. If a man weighs 190 pounds on the surface of the earth, then the man's weight in pounds (W) x miles above the surface is approximated by the formula: W =

A student has passed 60 percent of the 20 quizzes he has written so far successfully. if the student writes 50 quizzes during the year, and passes 80 percent of the remaining quizzes successfully, what would his average percentile be? answer:

Which system is the only inconsistent system? Select one: a. yy==x+42x+4 b. yy==x-x c. yy=4=x-34x+3 d. y2y=2=x-34x-6

The sum of the first natural number and 0 is 1, the sum of the first two natural numbers and 0 is 3, the sum of the first three natural numbers and 0 is 6, and the sum of the first four natural numbers and 0 is 10.

Sin theta = cos theta find value of sec theta

If the sum of a number and four is doubled, the result is six less than the number. Find the number

Bret has a fish tank that holds 320 fluid ounces of water. On average, the water evaporates from the tank at a rate of 3.84 ounces per day. Bret went on vacation for 2 weeks, and asked a friend to feed his fish.

Nine less than the product of ten and a number d is equal to eleven.