3 times the sum of 8 and 4
3(8 + 4) <== ur expression
Answer:
6.32
Step-by-step explanation:
To find the side length on a right angled triangle we follow The Pythagorean Theorem:

c being the hypothesis (longest side: the hypotenuse is always opposite the right angle)
so..


Answer:
24.56
Step-by-step explanation:
1.14x-5+5=23+5
1.14x=28
x is roughly equal to 24.56.
Hope this helps!
Answer:
D.
Step-by-step explanation:
Because the lowest point in the X coordinate is -4 and the highest point is 9.