In right triangle abc, when angles a and b add up to 90 degrees, what is the cosine of b equal to

If a shape has line symmetry then it cannot have rotational symmetry. true or false

The attributes of each quadrilateral

Solve step by step: 25/6-4x = - 9x=5/6

Mathematical 3r take away 5 = 16

Papa's Italian Restaurant has collected data about customer sauce orders. It calculated that P (marinara) = 0.74, P (pesto) = 0.62, and P (marinara or pesto) = 0.90. Determine the P (marinara and pesto). 0.12 0.46 0.16 0.22

25 more than 50 as an expression

Edith works for x amount of hrs that pays $4 she also has accepted another job that pays $8 an hr working y amount of hrs she can only work 15 hrs a week. Edith wants to earn at least 80 a week. Working both jobs

Jacob counts 37 ants on the sidewalk and 11 ants on the grass. how many ants does Joes count?

A number decreased by fifteen is less than two.

What is the value of x in the equation 1/5x-2/3y=30, when y = 15?