The difference between 21 and the product of three and four

5/y + 7/x = 24 12/y + 2/x = 24, find the ratio of x to y.

Find t24 for the sequence 100,64,28 ...

What is the simple interest owed on $900 for 9 months

Erin's water bottle holds 665 milliliters. dylan is carrying two water bottles. each one holds 0.35 liters. who is carrying more water? how much more?

Of the 75 boys in the 7th grade class, 25 participate in at least one sport. Of the 120 girls in the 7th grade class, 30 participate in at least one sport.

Adante begins to evaluate the expression 3 and one-third times 5 and one-fourth using the steps below.

Joe buys a 4 1/2 pound bag of dog food every 4 weeks, joe feeds his song the same amount each day. What is the number of pounds the dog eats each year?

What is 6.78 and 8.21 rounded to tenth nearest tenth

A circle has diameter 11cm A square has side length 7cm Use Pythagoras' Theorem to show that the square will fit inside the circle without touching the edge of the circle.

Sally has six flowers three of the flowers are yellow. the rest are red. how many flowers are red