Answer: she bought about 7 boxes.
Step-by-step explanation:
Answer:
Step-by-step explanation:
Don't use 0 as a substitute for θ. 0 is always 0.
cosθ = -5/(2√15)
secθ = 1/cosθ = -2√15/5
Answer:
do the calculation below
Step-by-step explanation:
(4/52 ) *(3/51)
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