Why is graphing not always the best option for solving systems?

A candle is 6 inches tall and burns at a rate of 1/2 inch per hour. How much would be left of the candle after 3 hours?

Arrange the parabolas represented by the equations in increasing order with respect to the y-values of their directrixes.

2 + 2 = 4 - 2+3-1+2-4 = whats the anwser

Out of 2000 random but normally distributed numbers with a mean of 45 and a standard deviation of x, approximately 1360 numbers are found to be between 40 and 50. What is the value of x?

What is the 43rd term of an arithmetic sequence with a rate of increase of - 6 and a11 = 12?-174-176-180-186-240

In the sale, jumpers are on the offer "buy 2, save a third of the price". Jeans are also currently 30% off. Jumpers cost £45 each. Jeans cost £50. What is the cost of buying 2 jumpers and 2 pairs of jeans?

A customer bought 2 small pizzas that cost $5.95 each. How much was her change from $15.00?

Dominic has a block of clay that is 24.5 inches long, 12.5 inches wide, and 8 inches high. dominic will use the clay to make vases. If each vase requires 50 cubic inches of clay, what is the greatest number of vases Dominic can make?

100000 using a base of 10 and exponent

Is it possible to store a 20 foot long pipe in a rectangular room that is 10 feet by 12 feet by 8 feet?