Heidi has 32 rectangular steppingstones to arrange in her backyard. Part A: Which of the following are possible arrays Heidi can make with the steppingstones? Select all that apple. Heidi has 32 rectangular steppingstones to arrange in her backyard. Part A: Which of the following are possible arrays Heidi can make with the steppingstones? Select all that apple. 2 x 16 4 x 9 8 x 4 3 x 18 32 x 1