Alan bowls one game,  which consists of 10 frames. the number of pins he knocked down in each frame is 5, 6, 7, 5, 7, 9, 2, 4, 8, and 7.  alan finds that the mode of the number of pins he knocked down is 7. which measure of the data did he find? a. a measure of center b. a measure of variation c. a measure of neither variation nor center d. a measure of both variation and center

Does anyone know how to do geometryme with this problem

When are triangles considered similar? a. corresponding angles are equal andcorresponding sides are proportionalb. corresponding angles are proportional andcorresponding sides are equalc. corresponding angles are equal orcorresponding sides are proportionald. corresponding angles are proportional orcorresponding sides are equal select the best answer from the choices providedmark this and retumsave and exitnext

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"