Nina is buying fabric to make placemats. For every 4
4
placemats she makes she needs
5
5
square feet of fabric.

If Nina is making
5
5
placemats, how many square feet of fabric does she need?

Nina needs

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12