Answer:
Length of QR = 7
Step-by-step explanation:
20 - 13 = 7
43 if you follow the steps of PEMDAS
9x5=45. 8÷4=2. 45-2=43
Hope this helps!
B.
4y = 18+14
4y = 32
y = 32/4
y = 8
mark brainliest!
