Answer:
Step-by-step explanation:
the following are true
1) yes
2)No
3)yes
4)yes
5)yes
6)no
Answer:
45:53
Step-by-step explanation:
you take the number next to it and there is the ratio
Answer:
-49
Step-by-step explanation:
First you convert them in improper fraction then it comes
35/3 × -21/5
With the help of cross multiplication we get
7×-7
And then 7×-7 = -49
Sub in -7 for x to get 2(-7)+8 which is -14+8=-6. f(-7)= -6
Step-by-step explanation:
12 to the 2nd power=144
15 to the 2nd power =225
225-144=81
square root of 81 is 9