The last one is correct answer
Step-by-step explanation:
X + 9= 7
get x by itself you -9 on both sides
X + 9 = 7
- 9. -9
X = -2
U think it’s 40 cuz 8 x40 equal 320 ;-; if it’s wrong my name will come to use
Answer:
1/2²m²
Step-by-step explanation:
Answer: RQS= 90, QRS= 43, QSR= 47
Solving Steps:
180-90=90 (all the angles combined equal 180)
9x-2+10x-3=90
19x-5=90
19x=90+5
19x=95
x=5
9(5)-2= 43
10(5)-3= 47
