Ajar of mayonnaise holds 30 ounces. when you make a sandwich you use one ounce. which equation best represents the amount left in the jar?

a. y = 30x + 1

b. y = 30x - 1

c. y = -1x + 30

d. y = 1x + 30

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?