Show me how to work the equation 30-f+8f=30

Which shows the ratio 12 : 400 as a fraction in simplified form?

What is the name for the area between two concentric circles upon which the formula for the volume of a sphere is derived A. hypothem B. cross section C. annulus D. cavalieri section

Deduce the RNA If DNA had 5 different bases, a restriction enzyme with a 4-base recognition sequence would predicted to digest the DNA approximately every A. 125 bp. B. 256 bp. C. 425 bp. D. 625 bp. E. 1056 bp.

Five cakes cost 4.00 how much do 7 cost

Is 80 homework and 74 exit tickets equivalent?

Don bought 3 1/2 quarts of ice-cream for a party. Four pints were eaten. How many pints remained?

Devin is collecting signatures for a petition to open a new park in her town. She needs to collect at least 1,000 signatures before she can schedule a meeting with the mayor. She already has 380 signatures.

Jeff bought a refrigerator for $1,300 he made a 10% down payment and finance the rest at 6% for one year how much interest did he pay?

If you hike 1/2 mile every 1/5 hour how far do you hike in two hours?

How do i find the value of a parallelogram