3(a-b) and 3a-3b. Equivalent
2a(2+b) and 4ab. Not equivalent
X-7=18
+7 to both side
X=25
4x+3x=7x
18 girls-5%
Total no: of girlsx5/100=18
Total-100x18/5-360 girls
4x+3607x
360-7x-4x
360-3x
x=360/3-120
4x=4x120=480
3x=3x120=360
Total no: of students=480+360-840
Answer:
v= -3 and v= 11
Step-by-step explanation:
v^2 - 8v -33 = 0
v^2-11v+3v-33=0
v(v-11) +3(v-11)=0
(v+3)(v-11)=0
v+3=0 and v-11=0
v=-3 v=11
Answer:
Irrational
Step-by-step explanation: