I need help PLEASE and will give BRAINLY to ANYONE who answers ALL of the questions CORECTLYYYY!!!

1. if R = red flower color and r = white flower color, which of the following is the parent cross described here?
Cross a heterozygous flower with a h o m ozygous flower.
-------------- X ----------------
A. RR X rr
B. Rr X RR
C. Rr X rr
D. Rr X rRr

2. In a cross between h o m o zygous short plant and heterozygous tall plant what will the possible genotypes of there offspring be?
A. TT,Tt,tt
B. Tt
C. Tt,tt
D. Tall ,Short

3. In a cross between two heterozygous pea plants (Tt). What percent of the offspring will be heterozygous
A. 0%
B. 25%
C. 50%
D. 75%