How many liters each of a 30% acid solution and a 75% acid solution must be used to produce 90 liters of a 50% acid solution? (Round to two decimal places if necessary.)

spinning a 1, 2, or 3. option d.

step-by-step explanation: when spinning a number graph up to 4, and aiming for any number less than 3, that automatically eliminates the number 4. now you have two numbers to spin on that are less than 3, but the number 3 is included in this question because it's no greater of an number than itself. i hope this you : )

idk

step-by-step explanation:

a

step-by-step explanation:

u take $30 minus $24. the answer/original($30)

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).