Which side lengths form a triangle that is similar to triangle abc

a( 30, 21, 45

b( 20, 14, 28

c( 40, 30, 60

d( 17, 20, 25

Use the x-intercept method to find all real solutions of the equation. -9x^3-7x^2-96x+36=3x^3+x^2-3x+8

Find the nonpermissible replacement for binthis expression.b2/5b +5

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?