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:
the answer is 4
Step-by-step explanation:
because i did it on desmos that is a graphic calculator
Answer:
223
Step-by-step explanation:
?
X = 33 °
Since PQS forms a 90 degree angle, subtract 57 (from PQR) to get RQS.
90-57=33
Answer:
81/2=40.5
Step-by-step explanation: