Answer:
Step-by-step explanation:
A. (x, y) is not an equation.
B. 2 + 7 = 9 Not a linear equation, as there is no variable.
C. 3x + 5 = 20 This is a linear equation.
D. y = 2x + 1 This is a linear equation.
Answer:
29°, 58°, and 93°
Step-by-step explanation:
If the angles opposite are equal, the sides are equal. In order to have three different side lengths, you must have <em>three different angles</em>.
If by kind you mean suits then the probability is zero.
X+10=15
Isolate x by subtracting 10 from both sides
x+10-10=15-10
x=5
Final answer: B
Check by plugging the value in
5+10=15
True
