James works at a clothing store where he earns a 4% commission on his total sales How much does James earn from commission on a day when he sells $2,540 worth of clothing? A $101.60 B $635.00 C $2,438.40 D $2,641.60.

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

Will mark ! (10 points also! ) if x varies inversely with y and x =6 when equals y= 10, find y when x=8 a. y=4.8 b. y=7.5 c. y=40/3 d. y=4/15

Do one of the following, as appropriate: (a) find the critical value z subscript alpha divided by 2 , (b) find the critical value t subscript alpha divided by 2 . 99%; nequals 17; sigma is unknown; population appears to be normally distributed.