In humans, straight thumbs are caused by the dominant allele t, while individuals who are tt have thumbs that curve backward ("hitchhiker's thumb"). consider a family in which the father has straight thumbs, and both the mother and their only child have curved thumbs. what is the chance that their next child will have curved thumbs?

she played for 18.75 hours.

step-by-step explanation:

if she played 2/4 of a hour on tuesday. and there is 60 minutes in an hour and 60 divided by 4 is 7.5. and she played 2/4 of an hour on thursday then again 60 divided by 4 is 7.5, you add 7.5+7.5=56.25. now you have to do 1/4 of an hour, it equals 3.75. now you have to add them all up. 3.75+7.5+7.5=18.75

i hope this and i hope you get it right. it took me a while to get this done for you. : )

step-by-step explanation:

60: 45 =12: 9 =4: 3 so the answer is 4: 3

the area of ​​the surface of the rectangular prism here is 250 cm2, which is the surface of the shading

step-by-step explanation: