4+3x is what it sound like. I hope this helps. :)
Answer:
About 90.84 in^2
Step-by-step explanation:
The formula for the surface area of a pyramid is
, which for this pyramid is equal to about 90.84 in^2. Hope this helps!
Answer: 222 cents
Step-by-step explanation: 84/14 = 6 This is the unit rate.
6 x 37 = 222
Pupils that chose Band: 60%
Pupils that chose Chorus: 40%
Boys in band: 70%
Boys in chorus: 30%
Probability of choosing boy = Probability of boy in band + Probability of boy in chorus
P = 0.6 x 0.7 + 0.4 x 0.3
P = 0.54
The answer is D.