Ihave four different colors of yarn and am crocheting squares for an afghan. how many combinations can i make using those colors? each square has four rows. i can use one color all four colors.

The sum of two numbers is 58. the first number is 8 less than half the second number. let  c  represent the first number. let  drepresent the second number. which statements about solving for the two numbers are true? check all that apply.the equation    represents the sum of the two numbers.the equation    represents the sentence “the first number is 8 less than half the second number.”the equation    represents the relationship between the two numbers.the equation    represents the sum of the two numbers.the number  d  is 14.the number  c  is 44.the number  c  is 14.the number  d  is 44.

In the 30-60-90 triangle below side s has a length of and side r has a length

Can some one me with these questions