Answer:
x= -18
Step-by-step explanation:
Answer:
40.2
Step-by-step explanation:
law of cosines
x^2=40^2+28^2-2*28*40*cos(70)
put in calculator and square root the answer
40.222.... is approximately 40.2
Answer:
B
Step-by-step explanation:
you add 3 plus 2 which gives you 5
then it said one red marble which is 2/5 then it said another one which is 1/4
2/5 times 1/4 equals 1/10
2/3=0.666=66.6% of homework
4/7=0.57=57% of homework
Therefore Tina completed more homework
Hope this helps!
