Maria practiced for her piano recital each day for three days. the first day she practiced for 3/4 hour, the second day she practiced for 3/4 hour, the second day she practiced for 1 1/2 hours, and the third day she practiced 2 1/4 hours. by how much fid she increase the time she practiced each day?

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)