Answer:
Step-by-step explanation:
It expresses how much money he had to pay in total for the sheet music and drumsticks altogether.
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Please mark brainliest!
A= 3
b= 4
=3.14(a^2 + ab)
substitute the given a & b values in expression
=3.14((3)^2 + (3*4))
multiply inside parentheses
=3.14(9 + 12)
add inside parentheses
=3.14(21)
multiply
=65.94
ANSWER: 65.94
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Answer:

Step-by-step explanation:
Subtract 7 from both sides:
7−5x−7=−43−7
Simplify:
−5x=−50
Divide both sides by −5:





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Answer:
First choice. 36/100 or 36%.
Step-by-step explanation:
Total # of squares:
10 × 10 = 100 squares.
# of squares shaded:
6 × 6 = 36 squares.
shaded/total to find the percent shaded:
Fraction: 36/100
Percentage: 36/100 × 100 = 36%.
Answer:
20 packages
Step-by-step explanation:
the school needs 1800 notebooks, since the notebooks come in packages of 90 each. there will be a total of 20 packages.
formula
1800/90
= 20