Answer:
D
A right triangle is a triangle that has one 90 degree angle, so looking at the options i would say D
Step-by-step explanation:
You put the whole number on top of 1, it doesnt change its value. then you simplify across like in a butterfly only if needed then you multiply across from left to right.
40+90=130
180-130=50
50+130=180
x=130
50+x=180
Answer:
1)open 2)false 3)5
Step-by-step explanation:
Answer: 5
Step-by-step explanation: Let x = the number
x^10 ÷ x^7 = 125
x^3 = 125
x = 5