I) -7s^2+28st+21su
II) -8c^2+20cd
Answer:
65⁰
Step-by-step explanation:
Take a look for the pict
Or
x+50⁰=115⁰
x= 115⁰-50⁰
x=65⁰
0.51 is the answer since the nine converts the zero before it to a 1
1 penny each day = 7 pennies each week
total pennies = 161
divide 161 by 7 = 23 weeks