How many solutions does the system of equations have y=5x+7 and 3y-15x=18

A one

B two

C infinitely many

D none

4 1/4 plus What equals 127 1/2

What is the Big O for Towers of Hanoi algorithm?

A die is tossed. If the number rolled is between 2 and 5, inclusive, what is the probability the number rolled is 4?

A jewellery shop sells 240 necklaces in a month 180 of the necklaces were sold via the website the rest were sold in the high street shop work out the ratio of the online sales to shop sales give your answer in the simplest form

How do you determine what to multiply an equation by so that you eliminate the fractions or decimals from the equation?

How many water glasses are in a 17oz bottle?

The wheels of a car lock up and it skids 15 m. If it goes 3 times the speed it was going on the same road and under the same conditions, how far will it skid if it's wheels lock up again? A. 26 m b. 45 m c. 90 m d. none of the above

An observer in a lighthouse 350 ft above sea level observes two ships directly offshore. The angle to the shore are 4 and 6.5 degrees.

What number must you add to complete square? x2+10x=8 answers A. 10 B. 15 C. 25 D. 5

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