The table represents the multiplication of two binomials.

a geometric model with 2 columns and 2 rows. the first column is labeled 3 x with entries a, c. the second column is labeled 5 with entries b, 10. the first row is labeled negative x with entries a, b. the second row is labeled 2 with entries c, 10.
what is the value of a?

negative 3 x
negative 3 x squared
negative 5 x
negative 5 x squared

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Can someone me with these two circle theorem questions asap?