Step-by-step explanation:
let the number of questions solved by Andy=x
this implies that 6+x=10
making x the subject of the equation
x=10-6
x=4
therefore Andy solved 4 questions
Answer:
y = -3
Step-by-step explanation:
First, subtract 2y from both sides, (3y - 2y) and that should give you the equation, -3 = y. And that's your final answer.
A quarter of an hour is 15 minutes, so a quarter past 7 is 7+15 mins. This gives you:
7:15
Hope this helps and good luck!
Answer:
d
Step-by-step explanation:
by substitution what is before x² is considered as a
what is before x is b and the number alone(without x) with it's sign included is c