1. Use the rules of divisibility to check which of the following numbers are multiples of (are divisible by) 2,3,4,5,6,8,9 and 10:
a) 552
b) 315
c) 620
d) 426

please help urgent

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.

Astudy claims that the mean age of online dating service users is 40 years. some researchers think this is not accurate and want to show that the mean age is not 40 years. identify the null hypothesis, h0, and the alternative hypothesis, ha, in terms of the parameter μ. select the correct answer below: h0: μ≥40; ha: μ< 40 h0: μ≤40; ha: μ> 40 h0: μ≠40; ha: μ=40 h0: μ=40; ha: μ≠40