The floor of a canyon has an elevation of - 14.5feet. Erosion causes the elevation to change by - 1.5 feet per year. How many years will it take for the canyon floor to have an elevation of - 31

Which is the interquartile range of the data set: 6, 8, 10, 12, 14?

Xavier and Madeline's age combined is 28. Xavier is 4 yrs older than half of Madeline's age. How old will Xavier be in 2 yrs?

A circle is described by the equation (x-1/2) squared + (y-3/2) squared=4/9. What are the coordinates for the center of the circle and the length of the radius? (-1/2,-3/2), 2/3 units (-1/2,-3/2), 4/9 units (1/2,3/2), 4/9 units (1/2,3/2), 2/3 units

What is 1/4 times 3/5?

4370 in scientific notation

Class 10R sat a test The mean marks for the calls was 70% There are 30 students 29 of them are boys. The mean mark for the boys in the test was 62%. Work out the mean mark for the girls

One section of the pipe is 12ft shorter than the other if the long piece of pipe is 120ft long in total how long is each piece

What is the value of the expression when x=8 and y=5

James took 3 minutes to run 2 laps. Anna took 5 minutes to run 2 laps. How long will it take for both of them to run in the same amount of time?

Choose one of the factors of x3 - 133. a. x - 11 b. x2 - 11x + 121 c. x2 + 22x + 121 d. None of the above