Solve: 2/5 + 4/10 = ?

BRAINLIEST AND POINTS IF U ANSWER GOOD PLS ANSWERR

A 6/10

B 6/15

C 2/15

D 8/10

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?