What iz the common denominator of 3/10 and 2/5

3 times a number is 10 less than the square of that number. Find the negative solution.

At the track meet, Ervin won the 100-meter dash with a time of 12.45 seconds. Landon finished second. Landon's time contains a 4 with a value 1/10 the value of the 4 in Ervin's time. What could be Landon's time in the 100-meter dash?

Is 4000000 mililimeters equal to 4 kilometers?

Julia finds that she can mail a 10 pound package for $5.10 and a 15 pound package for $8.85. What is the constanrt of proportionality?

3. A car dealer has 395 cars on the lot. Of these cars, about 15% are red. Which is the best estimate of the number of red cars on the lot? A. B. C. D. 40 60 70 80

The simple interest x on an investment would take p dollars at an interest rate r or t years is given by x=prt. Find the time it would take to earn $900 in interest on an investment of $21,000 at a rate of 4.6%

For which equation would x = 12 be a solution? x + 4 = 12 48 : x = 12 12 - x = 4 12x = 144

The rectangle below has an area of x^2-9 square meters and a width of x-3 meters. What expression represents the length of the rectangle?

Mr. Haney has 11 coins in dimes and quarters. The value of his coins is $2.15. how many dimes does he have?

Different varieties of field daisies have numbers of petals that follow a fibonacci sequence. Three varieties have 13,21, and 347 petals. How many petals do the next two varieties of field daisy have? a. 42, 55 b. 47,60 c. 42,50 d. 55,89