Which of these equations is balanced ?
a.4h2+cl2--> 2hcl
b. h2+cl2--> 2hcl
a. a
b. b
c. a and b
d. neither

Mr angulo buy 5/8 pound of red grapes and 3/8 pound of green grapes. how many pounds of grapes did mr angulo buy

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar