You are working on some practice
problems for
homework. You
have 90 problems
to do over the
weekend. You
finish 20 on Friday
night and 30 on
Saturday, how
many do you have
to do on Sunday?
Type an complete sentence what the answer is. And write a number sentence for the question.

40

Step-by-step explanation:

you start by haveing 90  homework prombelms.since yo u are completeine theproblems we will use substraction.

90 - (20 + 30)

90 - 50 = 40

you have 40 more problems to finish on sunday.

answe

its a

step-by-step explanation:

true

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3