Savage, Sarrah-Lee Day 1 1 1 of 12
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A candle loses height as it burns at a constant rate of 3 cm every 12 minutes. If the initial height of the candle is 15 cm, what is the
percent decrease in height after it burns for 30 minutes?
A 20%
OB. 40%
C. 50%
D. 80%
9:48

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

W-16=-12 solve each one step equation plz

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza