What is the critical value of the test statistic to test that the mean child mortality rate for countries in South East Asia is more than the mean child mortality rate for countries in Western Europe by more than 10 per thousand?

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.