1+tan^2(y)=1/cos^2(y)
cos 2y -1=cos^2(y) -sin^2(y)-cos^2(y) -sin^2(y)
Number 7 Should Be A. 2.5
She was late 7 times. $42-$10=$32. $32/8 = 4. The first 3 days she was late plus the other 4 times being late that month is 7 days late.
Answer:
38 legs
Step-by-step explanation:
dog=4 legs
horse=4 legs
giraffe= 4 legs
duck = 2 legs
2x4+4x4+1x4+1x2
8+16+4+2=38
