Answer:
23 minus 15 equals 38
Step-by-step explanation:
urwelcome
There are 10 total numbers.
10 - 7 = 3, so there are 3 numbers greater than 7.
Mariah should have used a 3 in the numerator because there are 3 numbers greater than 7.
Answer:
15
Step-by-step explanation:
Let index 1 refer to the first point, while index 2 refers to the second one.
The distance d:
d²=(x2-x1)²+(y2-y1)²=(-5-7)³+(3-(-6))²=
(-12)²+9²=144+81=225=15²
d=15
Answer:
45
Step-by-step explanation:
20 boys= 5 times the ratio
So, 5x5=25
25 girls and 20 boys= 45 students
I know number 15 is right