How do I solve this linear equation?

21+x=30

A soup that serves 16 people calls for 2 cans of chopped clams, 4 cups of chicken broth, 6 cups of milk, and 4 cups of cubed potatoes. Create a ratio table for this situation

In a group of 80 children there are 3 times as many boys as girls how many girls are there

A random sample of dogs at different animal shelters in a city shows that 7 of the 40 dogs are puppies. The city's animal shelters collectively house 880 dogs each year. About how many dogs in all of the city's animal shelters are puppies?

How many edges does a triangle pyramid have

Caroline drove 350 miles to her grandmothers house trip took her 5 1/4 hours what was your average speed in miles per hour

The equation for a circle with center (h, k) is (x - h) 2 (y - k) 2 = r2. if a circle is modeled by the equation (x - 4) 2 (y 6) 2 = 49, what is the center of the circle?

Debra has to decide on paint colors for her house. There is a 90% chance she will chose gray for the living room. There is a 70% chance she will chose blue for her bedroom and there is a 75% chance she will choose yellow for the kitchen.

19. A box contains 95 pink rubber bands and 90 brown rubber bands. You select a rubber band at random from the box. Find each probability. Write the probability as a fraction in simplest form. a.

How to calculate perimeter of a shape

Find the perimeter of a polygon with sides 11 ft 7 ft 18-ft 22 ft 14 ft + 23 and 1/2 ft