Belinda has twice as many nickels as dimes. how many of each does she have if they total a) 80 cents b) $1.20 show all work using an equation

If i have one apple and give you the apple, how many apples do i have?

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e. g. 98.76543).

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points