3. In which situation below would you want to use the Explicit Formula instead of the Recursive Formula
a. Find the 4th term when the first term is 7 and the common difference is -2.
b. Find the 7th term when the first term is -1 and the common difference is 10.
c. Find the 7th term when the first term is -1 and the common difference is 10.
d. Find the 11th term when the first term is -3 and the common difference is 4.

Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music.they were asked how they like three types of music: rock, country western and jazz.the results are summarized below: no one dislikes all three types of music.six like all three types of music.eleven don’t like country western.sixteen like jazz.three like country western and jazz, but not rock.six don’t like rock.eight like rock and country western.seven don’t like jazz.how many students were surveyed?