If the 8th term of an A. P. is three times the 4th term, find the equation connecting a and d, where a is the first term and d is the common difference.

The measurement of one angle of a right triangle is 34°. what is the measurement of the third angle?

Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?

Miranda is braiding her hair.then she will attach beads to the braid.she wants 1_3 of the beads to be red.if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?