Answer:
Step-by-step explanation:
47×53=235 then set up a proportion wit the 47 and do the same wit 53 then add both of those answers together
280 your welcome good luck
Answer:
x= -12
y= 6
Step-by-step explanation:
Answer:
d
Step-by-step explanation:
A linear pair sum to 180° , then
x - 13 + x + 7 = 180
2x - 6 = 180 ( add 6 to both sides )
2x = 186 ( divide both sides by 2 )
x = 93 → d