Solve. Write the answer as a mixed number as needed.Peter must practice the piano 11
hours per week. He has already practiced 7
hours. How many more hours does he need to practice?
A. 3
hours
B. 4
hours
C. 2
hours
D. 3 hours
Answer: A
Mathematics
You might also like to view...
Determine whether the relation is a function.
A. Not a function B. Function
Mathematics
Find the acute angle A. Leave answer in decimal degrees rounded to seven decimal places, if necessary.cot A = 1.5524164
A. 40.1025049° B. 49.8974951° C. 57.2121040° D. 32.7878960°
Mathematics
Find the determinant.det 
A. 4 B. -4 C. 160 D. -20
Mathematics
Write exponential notation.(5.7) ? (5.7) ? (5.7)
A. (5)3 ? (7)3 B. (3)(5.7) C. (3)5.7 D. (5.7)3
Mathematics