Kendra has a jar that contains nickels and dimes. the jar contains $4.25, and there is only one nickel. how many dimes are in the jar?

What percentage of light hits earth's surface directly?

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

What are the pros and cons of quadrat sampling?