How would you know that your equation has exactly one solution without actually solving it

Five bells begin to ring together and they ring at intervals of 3, 4, 8, 12 and 15 seconds, respectively. How many times will they ring together at the same second in one hour excluding the one at the end?

Charlie bought an airplane ticket for $288.00. The tax on the ticket was 7.5%, and he had to pay an additional $26 in fees. Which of the following shows how much Charlie will pay in total?

The moon is about 24,000 miles from earth. what is the distance written as a whole number multiple by power of ten?

Fifty percent of a number is more than 12 less than twice that number

What is true about a parallegram

Josiah has a piece of wood that measures 10 1/8 feet. he wants to make 5 shelevs. if each shelf is 1 3/4 feet long, does he have enough to make 5 shelevs? explain.

A dentist is making packages of toothbrushes and toothpaste for his patients. He has 12 toothbrushes and 18 tubes of toothpaste. Each package will have the same number of toothbrushes and the same number of tubes of toothpaste.

Two angle measures of a quadrilateral are 34° and 66°. What could the measure of the other two angles be? A. 45° and 55° B. 37° and 43° C. 150° and 110° D. 139° and 121° (multiple can be chosen)

Given: ∠KJL and ∠KML intercept arc KL. Prove: m∠KJL = m∠KML

A cabbage and a cauliflower cost $3 in total. A cauliflower and a pumpkin cost $4 in total. A cabbage and a pumpkin cost $5 in total. Find the total cost of one of each vegetable