2x – зу = -1
+ 3x+3y= 26
оа. бу = 25
ов. 5х = 27
ос. 5х = 25
od. 5x - бу = -27

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?